HomeMy WebLinkAboutWTR2702210General Recommendation
Highlands Standpipe
City of Renton, WA
FOR
THE LINING OF A STEEL POTABLE
WATER TANK
ASTM Type V, Solventless
Elastomeric Urethane
ANSI/NSF Standard 61
Surface Preparation -- Application -- Repair
INSTALLATION OF AN ELASTOMERIC
POLYURETHANE LINING SYSTEM TO
CARBON STEEL SURFACES
TABLE OF CONTENTS
1.0 General................................................................ 1
2.0 Surface Preparation ........................................... 1
3.0 Polyurethane Coating ..................................... 2
4.0 Controlled Environment ................................... 3
5.0 Treatment of Perforations .............................. 4
6.0 Treatment of Gaps or Voids ........................... 4
7.0 Inspection of Carbon Steel ............................... 4
8.0 Patching and Repairs ........................................ 5
9.0 Regulations and Standards ........................... 5
02/13/97
INSTALLATION OF A SOLVENTLESS ELASTOMERIC POLYURETHANE LINING SYSTEM ONTO
CARBON STEEL SURFACES IN POTABLE WATER STORAGE TANKS
1. GENERAL
1.1 SCOPE
The purpose of these recommendations is to provide general guidelines regarding the installation of a spray- applied
elastomeric polyurethane lining system onto carbon steel surfaces in potable water storage tanks. Unless indicated,
application to any other substrate is not intended. These recommendations principally cover the following system:
Coat No. System Dry Film Thickness
1 POLIBRID 705 Solventless Elastomeric Polyurethane 25 Mils (0.025")
Total System 25 Mils (0.025")
1.2 REFERENCED STANDARDS
ASTM E-337
Test Method for Measuring Humidity with a Psychrometer
ASTM D-4414
Method for Measurement of Wet Film Thickness by Notch Gages
ASTM D-4417
Method for Measurement of Surface Profile of Abrasive Blast Cleaned Steel Sur-
faces
ASTM D-1186
Method for Non -Destructive Measurement of Dry Film Thickness of Non-magnetic
Coatings Applied to a Ferrous Base
ASTM D-5162
Standard Practice for Discontinuity (Holiday) Testing of Non -Conductive Protective
Coating on Metallic Substrates
SSPC-VIS 1
Visual Standard for Abrasive Blast Cleaned Steel
SSPC SP-1
Surface Preparation Specification, Solvent Cleaning
SSPC SP-7
Surface Preparation Specification, Brush -Off Blast Cleaning
SSPC SP-10
Surface Preparation Specification, Near White Blast Cleaning
ANSI/NSF 61
Drinking Water System Components - Health Effects
AWWA C652-92
Disinfection Specification
2. SURFACE PREPARATION
2.1 RIGGING AND SCAFFOLDING
Rigging and/or scaffolding, if required, shall be set up to permit ease of operation of surface preparation and applica-
tion equipment, and shall provide safe and clear access to all surfaces to be coated.
2.2 PROTECTION OF SURFACES NOT TO BE COATED
During surface preparation and application of the materials, nearby installations, equipment, vehicles, structures, etc.
shall be protected from blasting grit, dust, and oversprayed, dropped or spilled materials. Surfaces not to be coated,
but adjacent to a proposed leading edge of coating application, shall be neatly taped -off or otherwise protected.
2.3 DECONTAMINATION
Before abrasive cleaning, all oil, grease, dirt, loose matter and other surface contaminants shall be removed to satisfy
SSPC SP-1, by high-pressure water blast at 3,000 to 5,000 psi, steam cleaning, or by any other acceptable method.
Environmentally acceptable, bio-degradable detergents may be used, however, they shall be completely rinsed off with
plenty of fresh, clean water before abrasive cleaning.
02/13/97
INSTALLATION OF A SOLVENTLESS ELASTOMERIC POLYURETHANE LINING SYSTEM
ONTO CARBON STEEL SURFACES IN POTABLE WATER TANKS
2.4 REMOVMAL OF EXISTING COATINGS
Existing coatings shall be removed by abrasive cleaning or any acceptable method. Only small sections of existing
coatings that are very firmly adhered and greatly resist removal may remain, however, these sections shall be abrasive
blasted or mechanically abraded to provide a roughened surface.
2.5 ABRASIVE CLEANING
Abrasive cleaning shall satisfy SSPC SP-10 requirements, producing an angular, nominal 3'/2 mil (88 micron) surface
profile. All sharp edges shall be rounded or trimmed by chipping, wire brushing or any other acceptable method. If
flash rust develops, all traces shall be removed per SSPC SP-7.
Based on the abrasive used and the generic type of lining removed, it may be difficult to achieve the appearance of an
SSPC SP-10 Near White Metal Blast. As long as each square inch is exposed to the abrasive and all due diligence to
remove firmly adhered coatings within the profile pits is exercised, then areas of stain will be allowed to remain pro-
vided surface profile is found to be a minimum of 4.0 mils.
2.6 REPAIR OF CAVITIES
Large gaps between plates, skip -welded structures, deep pits, or any other cavities that are impossible or impractical
to bridge or cover with the polyurethane coating, shall be filled with SEMCRETE 826, a solvent -free, thixotropic epoxy
gel, manufactured by Sentry Polymers, Inc. of Freeport, TX.
2.7 FINAL CLEANING
After abrasive cleaning is completed, nearby surfaces, not to be coated, shall be cleaned to prevent wind-blown con-
tamination of the prepared substrate or freshly applied coatings. Surfaces shall be free of flash rust, dust and moisture
prior to coating.
3. POLYURETHANE COATING
3.1 MATERIAL
POLIBRID 705, manufactured by Polibrid Coatings, Inc., of Brownsville, TX. It shall be an ASTM D-16 Type V, chemi-
cal cure, 100% solids, elastomeric, aromatic polyurethane with no sand fillers or extenders added. It shall be a two
component system in a 2 parts resin (Part A) to 1 part catalyst (Part B) ratio by volume, capable of being spray applied
at the specified thickness in a single application. It shall be a monolithic, flexible membrane that is corrosion, abrasion,
and impact resistant, with Shore "D" hardness of 61 to 65 at 78°F (26°C); 2,878 psi tensile strength and 52% elon-
gation per ASTM D-412; abrasion resistance as measured by weight loss of 37 mg per ASTM D-4060 (CS-17, 1 kg x
1,000 cycles); and water vapor transmission rate (WVTR) of no more than 0.016 grams per 100 in2 per 24 hours at 75
mils and 730F with 100% RH, per ASTM F-1249-90. Resin component (Part A) shall be white, catalyst component
(Part B) dark brown and the final mixed color shall be tan. The polyurethane coating shall be classified in accordance
with ANSI/NSF Standard 61 and shall be suitable for direct contact with drinking water.
3.2 HANDLING AND STORAGE
Materials shall be delivered in original unopened steel drums with labels intact. Drums shall be stored indoors in cool,
dry conditions, on wooden pallets, off the floor, and protected against excessive moisture, heat or freezing.
3.3 PRELIMINARY MIXING
Polyurethane resin (Part A) shall be thoroughly mixed with drum mounted air -driven agitator for 30 minutes immediatel-
y before each use. Agitation of catalyst (Part B) is not required.
3.4 APPLICATORS AND EQUIPMENT
Polyurethane coating shall be mixed and sprayed by factory qualified technicians, using spray equipment approved by
Polibrid Coatings, Inc. which shall be a specially designed, plural -component, high-pressure airless spray machine that
shall automatically proportion components, blend them via in -line static mixers and airless spray them at a fluid pres-
sure of 2,500 psi.
(2 / 5)
INSTALLATION OF A SOLVENTLESS ELASTOMERIC POLYURETHANE LINING SYSTEM
ONTO CARBON STEEL SURFACES IN POTABLE WATER TANKS
3.5 APPLICATION
Polyurethane coating shall be spray applied at the specified thickness in a single application which may consist of
several increments, accomplished by one or more passes of the spray gun, all applied within recommended recoat
times to a specific area. High profile areas such as weld beads, bolts, rivet heads, etc. shall be coated using 4-way
passes of the spray gun to ensure that all surfaces receive the specified film thickness. Narrow gaps between surfaces
being coated, such as those typically found in skip -welded structures, shall be treated as described in section 6 of this
specification.
Polyurethane coating shall be applied over all weld seams, plate and trusses at a nominal film thickness of 25 mils
with no less than 20 mils being acceptable. Areas where ice flow may be a concern shall receive no less than 40 mils.
3.6 RECOATING
Fresh polyurethane coating shall be sprayed over previously applied polyurethane coating as long as the undercoat
remains wet or tacky to the touch or has not exceeded 4 hours at 70OF (21 °C) since application. Higher temperatures
accelerate the cure of the coating and shorten the recoat window, and conversely, colder temperatures retard cure and
extend the recoat window. If recoat time is exceeded, applied coating shall be abrasive brush blasted to remove all
gloss, then solvent wiped and allowed to dry before application of additional coats.
3.7 TRANSITIONS
For overlapping transitions between sections of polyurethane coating applied on different days, a minimum 18 inch -
wide strip (46 cm) along the leading edge of the previously applied sections shall be abrasive brush blasted to remove
all gloss, then solvent wiped and allowed to dry before application of fresh coating. Fresh coating material shall be
feathered at least 6 inches (15 cm) into the prepared, scuffed area, avoiding application to glossy or untreated sec-
tions of the existing coating, making sure there is plain evidence of scuffed surfaces beyond the edges of the freshly
applied coating. If fresh coatings are applied to unprepared, glossy surfaces of the existing coating, they shall be re-
moved immediately.
3.8 TEMPERATURE PARAMETERS
During application, polyurethane coating materials shall be maintained between 800 and 90OF (270 to 320C). Ambient
temperatures shall be between 40' and 120OF (5° to 49°C) and substrate temperatures shall be above 40OF (5°C) and
at least 50F (3°C) above dew point in work area, and rising. Relative humidity (RH) shall not exceed 95%. Application
shall be suspended if conditions are not within recommended parameters, or when snowing, raining, foggy or when
precipitation is imminent.
3.9 SERVICE
The coating or lining system may be placed in service after it has been satisfactorily inspected per project re-
quirements. Minimum cure times prior to placing in non-abrasive, immersion service shall be 1 hour at 85°F (29°C), 2
hours at 720F (220C), or 4 hours at 60OF (160C). An overnight cure shall be allowed for foot traffic or light abrasion
service.
3.10 POTABLE WATER SERVICE
The lining system may be placed in potable water service immediately after passing inspection per project require-
ments and vessel has been disinfected to satisfy AWWA Specification C652-92.
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4.1 DEHUMIDIFICATION
To prevent delays or unsatisfactory results in the application of the coatings due to inclement weather or adverse con-
ditions producing excessive amounts of moisture or condensation, the Applicator shall be fully equipped and prepared
to provide a suitable dehumidification system. Dehumidification shall produce an environment conducive to application
of the coatings within the recommended parameters. Heating alone shall not be a substitute for dehumidification.
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To prevent delays in the application or cure of the coatings when the substrate is excessively cold, the Applicator shall
be equipped and prepared to provide explosion -proof heating to elevate substrate temperatures to meet the recom-
mended parameters. When heating is employed for this purpose, all precautions shall be taken to prevent the for-
mation of dew or condensation on surfaces to receive the polyurethane coating.
(3/5)
INSTALLATION OF A SOLVENTLESS ELASTOMERIC POLYURETHANE LINING SYSTEM
ONTO CARBON STEEL SURFACES IN POTABLE WATER TANKS
5. TREATMENT OF PERFORATIONS
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Areas with through -the -wall perforations no larger than 1/8" (3.2 mm), shall be sealed with the polyurethane
coating. A base -coat of polyurethane coating shall be applied at an approximate thickness of 40 to 60 mils (1,000
to 1,500 microns). While base -coat remains in a semi -fluid condition, repair material shall be pressed into the pits
surrounding the perforations with a trowel or putty knife, thereby filling the pits and sealing the perforations in one
operation. Additional polyurethane coating shall be applied as needed to produce the specified film thickness. All
coating increments applied for this purpose to a given area shall be applied the same day and within recom-
mended recoat times.
6. TREATMENT OF GAPS OR VOIDS
6.1 DESCRIPTION
Gaps, voids, and other discontinuities are hereby described as, but not limited to, areas where movement is an-
ticipated, crevices which are 1/8" wide and/or deep, and the chime area.
6.2 APPLICATION OF BASE COAT
Apply 20 to 30 mils of polyurethane coating as a base coat.
6.3 INSTALLATION OF GEOTEXTILE REINFORCEMENT
While base -coat remains in a liquid state, a 1-inch (15 cm) wide strip of geotextile fabric shall be centered
lengthwise over the gap or void, then pressed with a trowel or non-stick roller so that it becomes firmly embedded
into the base -coat. The geotextile fabric shall be installed with its "heat -set' side facing out. The geotextile shall
be FX-80HS, manufactured by Carthage Mills of Cincinnati, OH, a non -woven, needlepunched, heat -set, poly-
propylene fabric, weighing approximately 8 oz. per square yard.
7. INSPECTION OF CARBON STEEL
7.1 SURFACE PREPARATION
Inspection shall verify that the degree of cleanliness meets specifications when compared to SSPC-VIS 1 visual stan-
dards. Depth of surface profile shall be measured per ASTM D-4417, using X-Coarse replica tape or an Elcometer 123
surface roughness gauge. Surface shall be inspected to verify the lack of flash rust, moisture, condensation, dust and
contaminants before coatings application.
7.2 AMBIENT CONDITIONS
Ambient conditions shall be monitored during coatings application and maintained within application parameters.
Dew points shall be monitored per ASTM E-337, using a sling psychrometer to measure dry and wet -bulb tem-
peratures. Thermometers shall be used to measure temperatures of the coatings during application and of sur-
faces to be coated.
7.3 POLYURETHANE COATING
Inspection shall verify that the spray equipment meets the polyurethane coating manufacturer's recommendations,
monitoring its operation to verify that the polyurethane coating components are being mixed and blended at their
proper volume ratio, with no evidence of streaks or uneven coloring.
During application, the film thickness of the polyurethane coating shall be inspected using wet -film notch gages per
ASTM D-4414 and dry film thickness shall be inspected with magnetic or electronic mil gauges per ASTM D-1186.
Film thickness of the polyurethane coating may also be verified by logging the volume of materials applied to pre -
measured areas, using a machine mounted, mechanical "stroke -counter" that records number of pump strokes applied
to a particular area.
Recoating of the polyurethane coating, as in the case of overlaps or transitions, shall be inspected to verify that such
recoating is done well within the recoat time of the base -coat. Inspection shall also verify that no new coating is ap-
plied over unprepared, existing coatings and that there is plain evidence of scuffed surfaces well beyond the leading
edge of the newly applied coatings. Inspection shall verify that coatings applied beyond prepared areas of the existing
coating
(4/5)
INSTALLATION OF A SOLVENTLESS ELASTOMERIC POLYURETHANE LINING SYSTEM
ONTO CARBON STEEL SURFACES IN POTABLE WATER TANKS
are completely removed before placing the coating in service. The applied coating system shall be visually inspected
for evidence of blisters, poor adhesion, or improper cure.
7.4 HOLIDAY DETECTION
Coated surfaces shall be inspected for holidays per ASTM D-5162, using high -voltage spark testing equipment with
variable settings. Test voltage shall be set at 100 volts per mil (25 microns) of the specified film thickness. Detected
holidays shall be marked and repaired per coating manufacturer's recommendations.
8. PATCHING AND REPAIRS
8.1 SURFACE PREPARATION
Repair area shall be thoroughly decontaminated. Deficient coating sections shall be removed until properly applied,
firmly adhered coating materials are reached. Exposed substrate shall be treated to satisfy applicable surface re-
quirements. Firmly adhered coating materials surrounding the repair area shall be abraded or otherwise scuffed to re-
move all gloss, then solvent wiped and allowed to dry prior to application of any repair materials. The extent of the
abraded, or "feathered" area shall vary depending on whether the repair materials are sprayed or applied by hand but,
in either case, no new coatings shall be applied beyond the feathered areas.
8.2 MATERIAL AND APPLICATION
A maximum 12 fl. oz. (350 ml) of Polibrid 705 polyurethane coating material shall be hand -mixed in a 2A:1 B volume
ratio, then quickly and evenly applied by brush or putty knife, covering the repair area. Do not extend fresh coating be-
yond the abraded area. If fresh coating is applied to glossy, untreated areas, it shall be wiped off or otherwise removed
immediately. Larger repairs may require spray application.
It is recommended that patching be done utilizing the products and measurements found in the Polibrid 705 touch-up
kit.
8.3 DISINFECTION
Before placing any containment vessel in potable water service, surfaces must be thoroughly disinfected to satisfy
AWWA Specification C652-92.
9. REGULATIONS AND STANDARDS
9.1 HEALTH AND SAFETY REGULATIONS
All pertinent CFR Title 29 OSHA regulations and standards concerning the use of industrial paints and coatings
shall be observed and shall supersede any guidelines described herein. Material Safety Data Sheets (MSDS)
shall be made available at job -site to all workers who may come in contact with materials used. These, and any
other pertinent CFR Title 29 OSHA standards, shall apply: 1915.24, Painting; 1915.25 & 1910.106, Flammable or
Combustible Liquids; 1910.133, Eye Protection; 1910.135, Head Protection; 1910.146, Working in Enclosed or
Confined Spaces; 1915.82 & 1910.134, Respiratory Protection; 1910.94, Ventilation; 1910.28, Scaffolding.
9.2 ENVIRONMENTAL REGULATIONS
Observe all pertinent CFR Title 40 EPA, state, local and in-house regulations and standards concerning air and
water quality, the emission of VOC's, dusts, blasting residues and paint particulates, and the containment, han-
dling and disposal of hazardous or toxic substances or wastes.
(5/5)
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POLIBRIDO 705
41 'A TECHNICAL DATA
SOLVENTLESS ELASTOMERIC POLYURETHANE
PROTECTIVE COATINGS AND LININGS
POLIBRID 705 Is a tough, flexible and resilient elastomer
used as a protective coating or lining over concrete, steel
or other surfaces. It is airless -spray applied at ambient tem-
peratures at virtually any film thickness in one application,
even on vertical or inverted surfaces.
POLIBRID 705's unlimited -build capabilities allow the
engineer to specify different film thicknesses within the
same application, from 20 mils to 250 mils or higher, as
actually required by particular service demands or differing
surface conditions. The degree of protection is no longer
limited to the maximum film -build of multiple coats of
conventional, solvented coating products. It can fully
encapsulate rivets, bolts, edges and rough welds in just
one coat, and easily produces the high film thicknesses
needed to provide monolithic protection over naturally
rough concrete surfaces.
POLIBRID 705 is a premium -quality, thermosetting
elastomer that meets all known VOC regulations and is
virtually odorless during and after application. It eliminates
creation of pinholes due to solvent evaporation, producing
a dense monolithic membrane. It is sufficiently elastic to
survive normal shrinkage cracks in concrete without break-
ing. An ideal immersion lining, it is abrasion -resistant,
chemical -resistant, highly impermeable and can be placed
in service within hours of application. Easy to repair if
needed.
POLIBRID 705 provides the ultimate in corrosion protec-
tion for concrete and/or steel surfaces subjected to severe
service conditions in a wide range of industrial applications.
Particularly effective for protection against microbiologi-
cally induced corrosion (MIC) in domestic or industrial was-
tewater collection, pumping and treatment systems, and as
a UV resistant, flexible membrane liner (FML) for primary or
secondary containment of many toxic or hazardous liquids.
Frequently used in:
• Potable Water Tanks, Reservoirs and Pipelines
• Wastewater Treatment & Collection Structures
• Secondary Containment Installations
• Hydroelectric Penstocks & Dam Gates
• Tank Linings b Bottoms
• Mining £r Metallurgical Plants
•
Marine Vessels &Offshore Structures
".ssIa, DRINKING WATER COMPONENTS
uOo CLASSIFIED BY
UNDERWRITERS LABORATORIES INC.®
IN ACCORDANCE WITH
STANDARD ANSI/NSF 61-1996
CONTROL NUMBER 7P59
ANSI /AWWA C210-92 Pipe Inside / Outside
Manufactured By:
POLIBRID COATINGS, INC.
6700 F.M. 802, Brownsville, TX 78521
Tel. (210) 831-7818, Fax (210) 831-7810
GENERIC TYPE
Solventless Elastomeric Polyurethane
Aromatic, Chemical Cure, ASTM Type V
COLOR •
Tan
SOLIDS CONTENT
100%
VOC CONTENT
Zero
MAXIMUM BUILD
Unlimited
FILM SHRINKAGE
Zero (Wet to Dry)
TENSILE STRENGTH
2,878 psi (ASTM D-412)
ELONGATION
52% (ASTM D-412)
HARDNESS
Shore "D" 61-65 @ 77°F (25°C)
(ASTM D-2240)
FLEXIBILITY
Passes multiple bends on 1/8" diameter
mandrel @ 30 mils (ASTM D-1737)
ABRASION
42 mgs. weight loss
RESISTANCE
Taber Abraser w/ CS-17 wheels; 1,000 revs;
1,000 gr. load (ASTM D-1044)
TEAR RESISTANCE
352 pli (ASTM D-624)
COMPRESSIVE
> 4,500 psi (ASTM D-695)
STRENGTH
Full recovery when load is removed.
IMPACT
40-45 mils - 0.96 ft•Ibf / in.
RESISTANCE
75-80 mils - 0.75 ft•lbf / in.
110 mils - 0.63 ft•lbf / in.
(ASTM D-256)
WATER VAPOR
40-45 mils - 0.080 gr./100 inches2
TRANSMISSION
75-80 mils - 0.016 gr./100 inches2
RATES (WVTR)
24 hrs at 100% RH / 73°F (23°C)
(ASTM F-1249-90)
Too low for measurement per ASTM E-96
Methods "A" ft'BW'.
CATHODIC
Passes ASTM G-8
DISBONDING
SERVICE
Dry
TEMPERATURE
Continuous: -20°F to 180°F (-29°Cto 82°C) /
RESISTANCE **
Max. Surge: 240'F (116°C)
Immersion :
Insulated Tanks: 140'F (60°C) Max.
Non -Insulated Tanks: Ambient
Due to its aromatic composition, Polibrid 705 will tend to yellow or darken
in color after exposure to UV light. For a color -fast, glossy finish, Polibrid 705
may be topcoated with an aliphatic polyurethane of the color of your choice.
*• Raw water in carbon steel vessels. The temperature resistance of the
lining may be substantially affected by the chemical composition of the solution.
XXX
.......................................................................................:,:,,:::::,
Not recommended for extended exposure to concentrated
acids, aromatic hydrocarbons, ketones or chlorinated sol-
vents. Consult Polibrid Coatings, Inc. before specifying!
Distributed By:
CARBOLINE COMPANY
350 Hanley Industrial Ct., St. Louis, MO. 63144-1599
Tel (314) 644-1000 / Fax (314) 644-4617
POLIBRID 7050
TD-t5 596
POLIBRID COATINGS, INC.
Spray Equipment ........................ Special designed, plural -com-
ponent high-pressure airless spray machine. GRACO® "Hydra -
Cat', 45 1 fluid to air ratio, King air motor with triplex bottom on a
2A 1 B, fixed -volume ratio. Standard equipment typically includes
heated hoses, drum heaters, suction feed from 50 gal. steel drums
(feed pumps not required in most cases), recirculation system,
GRACOO R-A-C III or IV spray tips from 0.019" to 0.035", stroke
counter and automatic high-pressure shut-off system. Other set-
ups may be recommended and many options available.
The Applicator and the Applicator's spray equipment must be ap-
proved by Polibrid Coatings, Inc.
Mix Ratio by Volume ................. 2A:1 B (Two to One)
Pot Life .................................... 5 to 8 minutes
Dry to Touch @72°F ................... 20 mils - 50 minutes
125 mils - 15 minutes
Recommended Thickness .......... Steel: 20 to 125 mils DFT
Concrete: 80 to 125 mils DFT
Cure Prior to Immersion ............. 2 hours at 72°F (22°C)
Minimum Cure Temperature ...... 25°F (-4°C)
Ambient Temperature ................. 40°F to 120°F (4°C to 49°C)
Materials Temperature ................ Between 80°F (27°C) and 90°F
(32°C) during spray application.
Substrate Temperature .............. Minimum 40°F (5°C)
Maximum 140°F (60oC)
5°F (3°C) above Dew point
CONCRETE : Allow 28 day cure for new concrete. Clean or de-
contaminate surfaces as needed. Abrasive blast clean to remove
loose concrete and existing coatings (if any), resulting in a surface
profile similar to coarse sandpaper. Water -blasting alone is not ac-
ceptable. Acid etching is not recommended. Repair active leaks as
directed by Engineer and eliminate standing water. Embed fiber-
glass screen reinforcement within coating to bridge open cavities or,
if necessary, resurface with a high -strength, rapid -curing, zero -
shrinkage cementitious grout and re -blast before coating Concrete
must be dry per ASTM D 4263 ("plastic sheet' test method) and
dust -free before coating. NOTE: If application to moist or damp
concrete surfaces is desired, contact Polibrid Coatings, Inc. for
recommendations on Polibrid 670-S epoxy primer.
CARBON STEEL : Decontaminate surfaces as needed. Abrasive
clean per SSPC SP-10 (Near White Metal Blast Cleaning), to a 3Y2
to 5 mil (87.5 to 125 p) surface profile. Sweep -blast all areas that
develop flash rust before coating. Steel must be dry and dust -free
before coating. Application to wet steel is not recommended.
NOTE: When the recommended surface profile is impossible or
impractical to achieve, or an extended time period is desired be-
tween abrasive cleaning and coating, the use of Polibrid 680 epoxy
primer may be desirable. Contact Polibrid Coatings, Inc. for re-
commendations.
Theoretic Coverage .................. 1,604 sq.ft./gal. at 1 mil DFT
1 M2/ It. at 1 mm. / 40 M2 at 25N
(Coverage may vary widely, de-
pending on job conditions)
Ambient Moisture ..................... 95% R.H. maximum
Full Cure .................................... 7 days at 72°F (22°C)
3 days at 120°F (49°C)
Flash Point ................................ Base: 500°F (260°C) (COC)
Catalyst: 230°F (110*C) (CC)
Specific Weight ......................... Base: 8.5 Ibs/gal (1.02 kg/It.)
Catalyst: 10 Ibs/gal (1.2 kg/It.)
Mixed: 9lbs/gal (1.08 kg/It.)
Flush Solvents .......................... Mineral Spirits
Cleaning Solvents ..................... MEK, Lacquer Thinners
Packaging ................................. 50 gallon steel drums
Shelf Life .................................. Base: 2 years
Catalyst: 1 year (If kept dry in
original, unopened containers)
Mixing and Storage ................... DO NOT STORE WITH FOOD
PRODUCTS! KEEP DRY! Do not Ip ace drums directly over
concrete or earth, keep on top of wood slats or pallets. Avoid freez-
ing. Do not open until ready to use. Before inserting suction tube
into Base (Side A) drum, agitate for at least thirty (30) minutes or
until total suspension is achieved. Rotate Base (Side A) drums re-
gularly if stored for long term. Catalyst (Side B) requires no mixing.
AVOID SKIN CONTACT!
HEALTH & SAFETY : Wear chemical goggles as minimum eye
protection, use impermeable gloves and cover all exposed skin. Do
not allow contaminated clothing to contact skin. Use properly fitted
organic vapor respirators and adequate ventilation. Wash hands
before eating, smoking or using washroom. Follow precautions in
CFR Title 29 (OSHA) and all pertinent Local, State & Federal
health, safety and environmental regulations. Read, understand
and fully comply with recommendations made in Material Safety
Data Sheets M( SDS) supplied for individual coating components!
CONFINED SPACES . Provide forced air ventilation. Workers
must use carbon monoxide filtered breathing air -line respirators. If
flammable vapors are present, use only non -sparking tools and
equipment. COMPLY WITH PERTINENT LOCAL AND OSHA RE-
GULATIONS RELATIVE TO WORK IN CONFINED SPACES.
FIRST AID : SKIN CONTACT: Wash thoroughly with plenty of
soap and water. EYE CONTACT : Immediately flush with fresh
clean water for at least fifteen (15) minutes and get specialized me-
dical attention promptly. INHALATION : Remove to fresh air and
provide oxygen. INGESTION: Immediately call a physician or poi-
son control center. DO NOT INDUCE VOMITING !
THESE MATERIALS ARE FOR INDUSTRIAL USE BY FACTORY -TRAINED QUALIFIED TECHNICIANS ONLY !
CONSULT POLIBRID COATINGS, INC. BEFORE SPECIFYING!
® POLIBRID is a Registered Trade Mark of Polibrid Coatings, Inc.
® GRACO is a Registered Trade Mark of Graco Inc.
LIMITATIONS & IMPORTANT NOTES: This data sheet contains information accurate to the best of our knowledge at time of printing. Such data is subject to varying in-
terpretatioiis, however, and must be considered as general guidelines only. Compliance with project specifications, actual job conditions, and the buyer's specific needs
must be considered by the specifier. We do not guarantee the results to be obtained by others unless specifically done so, in writing, by an authorized officer of Polibrid
Coatings, Inc. Since methods and conditions of application are beyond our control, buyer assumes all risk of use or handling. NO WARRANTY, EXPRESS OR IMPLIED
IS MADE CONCERNING THE USE OF THESE PRODUCTS OR RECOMMENDATIONS AND NO LIABILITY FOR THEIR USE, OR INABILITY TO USE, IS ACCEPTED.
The manufacturers sole responsibility for claims arising out of breach of warranty, negligence, strict liability or otherwise, is limited to the purchase price and/or replace-
ment of the materials supplied by Polibrid Coatings, Inc.. The manufacturer reserves the right to modify this data without previous notice or liability.
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POLIBRID° 705 REPAIR KIT
TECHNICAL DATA &
APPLICATION INSTRUCTIONS
12/84
GENERAL
POLIBRID 705 REPAIR KITS are designed for hand
patching relatively small areas of previously applied Poli-
brid 705 coating or lining systems. Except for slightly ex-
tended workability, as compared to standard spray -grade
Polibrid 705, the products are identical. Consult Polibrid
705 Technical Data Sheets or call Polibrid Coatings, Inc.
for detailed product information or specific recommend-
ations. These materials are not recommended for the re-
pair of large areas of Polibrid 705 coating or lining systems
that may require re -spraying, or for use in testing to deter-
mine the suitability of an airless spray applied membrane.
SURFACE PREPARATION
General Repair
Remove deficient coatings until sound, well adhered coat-
ings remain. Decontaminate repair area by any acceptable
method to remove oils, greases, dirt or other contami-
nants. Clean exposed steel per SSPC Standards No. SP-3
"Power Tool Cleaning" or SP-5 "White Metal Blast Clean-
ing". Clean exposed concrete per SSPC Standards No.
SP-3 "Power Tool Cleaning" or SP-7 "Brush -Off Blast
Cleaning". Abrade sections of the existing coating or lin-
ing, surrounding the repair area, to remove all gloss and
produce a well -scuffed surface, then solvent wipe and/or
power vacuum to remove all dust and contaminants just
prior to application of patching materials.
Pinhole Repair
Decontaminate repair area by any acceptable method to
remove oils, greases, dirt or other contaminants. Abrade
sections of the existing coating or lining a minimum of 1"
(2.54 cm) in diameter, immediately surrounding the pin-
hole, to remove all gloss and produce a well -scuffed sur-
face, then solvent wipe to remove all dust or contaminants
just prior to application of patching materials. A hand held
grinder with a conical tool may be used to countersink
each pinhole, possibly speeding up the repair process.
MIXING
Agitate contents of resin container prior to use. Measure 8
oz. (240 ml) of resin (Side A) and 4 oz. (120 ml) of cata-
lyst (Side B) to produce 12 oz. (360 ml) volume of mixed
coating. Pour pre -measured components into clean 16 oz.
(480 ml) styrofoam cup. Hand -stir vigorously with wooden
mixer or tongue depressor until blend of uniform color is
produced. Use immediately once blended. (Mixing greater
amounts will substantially reduce workability and may
produce uneven mixing and unsatisfactory results)
GENERIC TYPE
Solventless Elastomeric Polyurethane
Aromatic, Chemical Cure, ASTM Type V
FINISH COLOR
Tan (Side A: White / Side B: Brown)
SOLIDS CONTENT
100% (Zero VOC)
MIX RATIO
2AA B (Two to One by Volume)
POT LIFE
5 to 10 Minutes (12 oz. / 360 ml)
MINIMUM CURE
25°F (-4°C)
MATERIALS TEMP
Between 80oF (27°C) and 90°F (32°C)
during application.
SUBSTRATE TEMP
>40° F (5° C) and 5° F (3° C) above
dew point.
PACKAGING
Total 3 Qts. in 1 Qt. Screw top tin cans.
APPLICATION
Using a small brush or putty knife, quickly and evenly
spread the mixed coating material over the repair area and
feather into the surrounding scuffed areas. If applied to
glossy, untreated areas, remove immediately. Use mixed
coating material until it can no longer be neatly and easily
spread and discard remainder appropriately.
PRECAUTIONS
AVOID SKIN CONTACT. Liquid coating may cause skin
sensitization. Cover all parts of exposed skin, protect eyes
and wear impermeable gloves. Do not allow contaminated
clothing to contact skin. Mixing of coating components in
quantities larger than 12 oz. (360 ml) can produce exother-
mic reactions which can cause minor burns if handled
without insulative gloves. Avoid breathing vapor or mist.
Use with adequate ventilation and comply with all precau-
tions in CFR Title 29 (OSHA) and pertinent health and
safety standards. Comply with all Local, State & Federal
environmental regulations. Request Material Safety Data
Sheets (MSDS) for all coating components.
FIRST -AID
SKIN CONTACT: Wash with plenty of soap and water.
EYE CONTACT: Immediately flush with plenty of water for
at least fifteen (15) minutes and get specialized medical
attention promptly. INHALATION: Remove to fresh air and
provide oxygen. INGESTION: Immediately call physician
or poison control center. DO NOT INDUCE VOMITING !
KEEP AWAY FROM CHILDREN, THESE MATERIALS ARE FOR INDUSTRIAL USE ONLYI
O POLIBRID is a Registered Trade Mark of Polibrid Coatings, Inc.
Manufactured By: Distributed By:
POLIBRID COATINGS, INC. CARBOLINE COMPANY
6700 F.M. 802, Brownsville, TX 78521 350 Hanley Industrial Ct., St. Louis, MO. 63144-1599
Tel. (210) 831-7818, Fax (210) 831-7810 Tel (314) 644-1000 / Fax (314) 644-4617
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TYPICAL POLIBRID
EXPANSION JOINT DETAIL
Comer Joint
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Flat Surfaces
* Not to scab. (all Palibrid Coatings, Inc. for recommendations more specifying.
Tel (210)831-7818 / Fax (210)831-7810
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