Page 181 - Polycoat 1.1 Table of Contents

be used as a repair agent for cracks, spalls, bug holes and Application
voids. Upon full cure of the repair agent, prime the entire Apply over prepared or suitably primed carbon steel or
surface intended for coating. concrete. Application temperature for Polyeuro 6881 should
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be between 40-120°F (4.4 - 48.8°C) with relative humidity of
CONCRETE SURFACE PREPARATION REFERENCE <85%.
ASTM D4258 - Standard practice for cleaning concrete. ASTM
D4259 - Standard practice for abrading concrete. ASTM D4260 - Do not apply product unless temperature is at least 5° (3°C)
Standard practice for etching concrete. ASTM F1869 - Standard above the dew point. Recoat schedule is 1-3 hours dependent
test method for measuring moisture vapor emission rate of upon environment. See Specification Guide for re-coating
concrete. ICRI 03732 - Concrete surface preparation. guidelines and additional information.

WOOD Application Methods
All wood should be clean, dry and free of any knots, splinters, Check area of application to ensure that it conforms to the
oil, grease or other contaminants. Splintered or rough areas substrate requirements.
should be sanded. Knots should be repaired using Polycoat Use Graco “Hydra-Cat” 45:1 Airless equipment or equal
Products PC-260 with sand. Upon full cure of the repair agent, designed for heated, plural-component, high pressure spray
prime the entire surface intended for coating. application. High pressure equipment should have the
STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE) capacity to apply product to a maximum 2500 psi from the
Remove all oil, grease, weld spatters and round off any sharp proportioner to meet job site conditions. Heat and maintain
edges from surface. Minimum surface preparation is Near material temperature in a range of 95-110°F (35 - 43.3°C) and
White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum utilize insulated material hoses and application equipment
surface profile is 3-4 mils. Prime and shoot Polyeuro onto to ensure spray consistency, metering and degree of cure of
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any bare metal the same day as it is cleaned to minimize any properly mixed product. Band heaters should not be used to
potential flash rusting. heat or maintain temperature.
The conditioned materials shall be supplied to the proportioning
GALVANIZED SURFACES equipment at a flowable, pumpable viscosity, and in such
Clean and degrease any contaminated surfaces before volume delivery to assure full supply for each pump stroke.
priming. Do not blast galvanized surfaces with an abrasive Recirculation system and solvent purge equipment is
grit. An adhesion test is recommended prior to starting the necessary to keep material maintained and spray equipment
project.
clean during applica-tion stoppage and/or for periods when
FIBERGLASS REINFORCED PLASTIC exceeding the product potlife.
The gel coat should be lightly blasted or sanded with 80 grit Equipment Cleanup
sandpaper and cleaned.
Equipment should be cleaned with an environmentally safe,
PLASTIC FOAMS urethane-grade solvent (alcohol free) as permitted under local
Enhanced adhesion is obtained when the foam is mechanically regulations immediately after use
abraded. When coating polystyrene, do not use a solvent- Storage
based primer.
Polyeuro 6881 has a shelf life of one (1) year from date of
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TEXTILES, CANVAS, FABRICS manufacture in original, factory-sealed containers when stored
Adhesion to most fabrics, geothermal membranes and textiles indoors at a temperature between 60-95°F (15-35°C). Avoid
does not require a primer. freezing temperatures.
STAINLESS STEEL Store drums on wooden pallets to avoid direct contact with
Stainless steel may be grit blasted and degreased before the ground. If stored for a long period of time, rotate Side-A
priming. Contact Polycoat Products for recommended primer. and Side-B drums regularly.
Some stainless steel alloys are so inert that it is not possible to Limitations
achieve a satisfactory bond. An adhesion test is recommended Polyeuro 6881 is not recommended for prolonged exposure
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prior to starting the project. to concentrated acids.
ALUMINUM Do not open until ready to use.
Aluminum should be blasted with aluminum oxide or sand,
and not with steel or metal grit. Excessive blasting may Store drums on wooden pallets to avoid direct contact with
result in a warped or deformed surface. After blasting, wash the ground.
aluminum with a commercially available aluminum cleaner. Avoid freezing temperatures.
Allow to dry, then prime. Contact Polycoat Products for No liability is assumed by Polycoat Products for substrate
recommended primer.
defects and/or improper substrate preparation and application.
NEW AND OLD CAST IRON Warning
Blast with a steel grit and degrease before priming. Old cast
iron is difficult to prepare for a satisfactory bond. It can absorb This product contains Isocyanates and Curative Material.
oil and water soluble contaminants that will keep returning
to the surface after the coating system has been applied
and affect the coating system adhesion. An adhesion test is
recommended prior to starting the project.
ALL OTHER SURFACES
An adhesion test is recommended prior to starting the project.

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 9.3
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