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minutes prior to application. Total suspension must be based primer.
achieved. Side-A requires no mixing.
TEXTILES, CANVAS, FABRICS
Surface Preparation Adhesion to most fabrics, geothermal membranes and textiles
In general, coating performance and adhesion are directly does not require a primer.
proportional to surface preparation. Most failures in the
performance of surface coatings can be attributed to poor STAINLESS STEEL
surface preparation. Polyurea coatings rely on the structural Stainless steel may be grit blasted and degreased before
strength of the substrate to which they are applied. All surfaces priming. Contact Polycoat Products for recommended primer.
must be free of dust, dirt, oil, grease, rust, corrosion and other Some stainless steel alloys are so inert that it is not possible to
contaminants. When coating previously used substrates, it is achieve a satisfactory bond. An adhesion test is recommended
important to consider the possibility of substrate absorption, prior to starting the project.
which may affect the adhesion of the coating system, ALUMINUM
regardless of the surface preparation. Polycoat recognizes Aluminum should be blasted with aluminum oxide or sand,
the potential for unique substrates from one project to another. and not with steel or metal grit. Excessive blasting may
The following information is for general reference. For project- result in a warped or deformed surface. After blasting, wash
specific questions, contact Polycoat. aluminum with a commercially available aluminum cleaner.
NEW AND OLD CONCRETE Allow to dry, then prime. Contact Polycoat Products for
Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New recommended primer.
concrete must be cured for 28 days prior to product application. NEW AND OLD CAST IRON
Surface must be clean, dry, sound and offer sufficient profile Blast with a steel grit and degrease before priming. Old cast
for product adhesion. Remove all dust, dirt, oil, form release iron is difficult to prepare for a satisfactory bond. It can absorb
agents, curing compounds, salts, efflorescence, laitance and oil and water soluble contaminants that will keep returning
other foreign matter by shotblasting and/or suitable chemical to the surface after the coating system has been applied
means, in accordance with local chemical regulations. Rinse and affect the coating system adhesion. An adhesion test is
thoroughly to achieve a pH between 8.0 and 11.0. Allow to dry recommended prior to starting the project.
completely. If old concrete has a surface that has deteriorated
to an unacceptably rough surface, Polycoat Products PC-260 ALL OTHER SURFACES
or a mixture of Polyprime 21 and sand should be used as a An adhesion test is recommended prior to starting the project.
repair agent for cracks, spalls, bug holes and voids. Upon full
cure of the repair agent, prime the entire surface intended Application
for coating. Apply over prepared or suitably primed carbon steel or
concrete. Application temperature for Polyeuro 1050H should
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CONCRETE SURFACE PREPARATION REFERENCE be between 40-120°F (4.4-40°C) with relative humidity of <85%.
ASTM D4258 - Standard practice for cleaning concrete. Do not apply product unless temperature is at least 5° (3°C)
ASTM D4259 - Standard practice for abrading concrete. above the dew point. Recoat schedule is 1-3 hours dependent
ASTM D4260 - Standard practice for etching concrete. upon environment.
ASTM F1869 - Standard test method for measuring moisture vapor Application Methods
emission rate of concrete. Check area of application to ensure that it conforms to the
ICRI 03732 - Concrete surface preparation. substrate requirements.
WOOD
All wood should be clean, dry and free of any knots, splinters, Use Graco “Hydra-Cat” 45:1 Airless equipment or equal
oil, grease or other contaminants. Splintered or rough areas designed for heated, plural-component, high pressure spray
should be sanded. Knots should be repaired using Polycoat application. High pressure equipment should have the
Products PC-260 with sand. Upon full cure of the repair agent, capacity to apply product to a maximum 2500 psi from the
prime the entire surface intended for coating. proportioner to meet job site conditions. Heat and maintain
material temperature in a range of 95-110°F (35-43°C) and
STEEL (ATMOSPHERIC AND IMMERSION utilize insulated material hoses and application equipment
EXPOSURE) to ensure spray consistency, metering and degree of cure of
Remove all oil, grease, weld spatters and round off any sharp properly mixed product. Band heaters should not be used to
edges from surface. Minimum surface preparation is Near heat or maintain temperature.
White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum The conditioned materials shall be supplied to the proportioning
surface profile is 3-4 mils. Prime and shoot Polyeuro onto equipment at a flowable, pumpable viscosity, and in such
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any bare metal the same day as it is cleaned to minimize any volume delivery to assure full supply for each pump stroke.
potential flash rusting. Recirculation system and solvent purge equipment is
GALVANIZED SURFACES necessary to keep material maintained and spray equipment
Clean and degrease any contaminated surfaces before clean during application stoppage and/or for periods when
priming. Do not blast galvanized surfaces with an abrasive exceeding the product potlife.
grit. An adhesion test is recommended prior to starting the Equipment Cleanup
project.
Equipment should be cleaned with an environmentally safe,
FIBERGLASS REINFORCED PLASTIC urethane-grade solvent (alcohol free) as permitted under local
The gel coat should be lightly blasted or sanded with 80 grit regulations immediately after use
sandpaper and cleaned. Storage
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PLASTIC FOAMS Polyeuro 1050H has a shelf life of one (1) year from date
Enhanced adhesion is obtained when the foam is mechanically of manufacture in original, factory-sealed containers when
abraded. When coating polystyrene, do not use a solvent- stored indoors at a temperature between 60-95°F (15-35°C).

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 8.3
info@polycoatusa.com | www.polycoatusa.com