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recognizes the potential for unique substrates from one project NEW AND OLD CAST IRON
to another. The following information is for general reference. Blast with a steel grit and degrease before priming. Old cast
For project-specific questions, contact Polycoat. iron is difficult to prepare for a satisfactory bond. It can absorb
oil and water soluble contaminants that will keep returning
NEW AND OLD CONCRETE to the surface after the coating system has been applied
Refer to SS PC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New and affect the coating system adhesion. An adhesion test is
concrete must be cured for 28 days prior to product application. recommended prior to starting the project.
Surface must be clean, dry, sound and offer sufficient profile
for product adhesion. Remove all dust, dirt, oil, form release ALL OTHER SURFACES
An adhesion test is recommended prior to starting the project.
agents, curing compounds, salts, efflorescence, laitance and
other foreign matter by shotblasting and/or suitable chemical Mixing
means, in accordance with local chemical regulations. Rinse Polyeuro MPL-11 may not be diluted under any circum-
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thoroughly, to achieve a pH between 8.0 and 11.0. Allow to dry stances. Thoroughly mix Polyeuro MPL 82 Part-B (Resin side)
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completely. If old concrete has a surface that has deteriorated with air driven power equipment until a homogeneous mixture
to an unacceptably rough surface, Polycoat Products PC-260 and color is obtained.
or a mixture of Polyprime 21 and sand should be used as a
repair agent for cracks, spalls, bug holes and voids. Upon full Application
cure of the repair agent, prime the entire surface intended Both Side-A and Side-B materials should be preconditioned
for coating. to 75-80°F (24-27°C) before application.
CONCRETE SURFACE PREPARATION REFERENCE Recommended surface temperature must be at least 5°F (3°C)
ASTM D425 8 - Standard practice for cleaning concrete. ASTM above the dew point.
D4259 - Standard practice for abrading concrete. ASTM D4260 - Polyeuro MPL-11 should be applied using a plural compo-
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Standard practice for etching concrete. ASTM F1869 - Standard nent, heated, high pressure 1:1 spray mixing equipment like
test method for measuring moisture vapor emission rate of Graco’s Reactor, Glass Craft or other equivalent machine may
concrete. ICRI 03732 - Concrete surface preparation. be used.
WOOD
All wood should be clean, dry and free of any knots, splinters, Both Side-A and Side-B materials should be sprayed at a
oil, grease or other contaminants. Splintered or rough areas minimum of 2000 psi and at temperatures above 150°F (66°C).
should be sanded. Knots should be repaired using Polycoat Adequate pressure and temperature should be maintained
Products PC-260 with sand. Upon full cure of the repair agent, at all times.
prime the entire surface intended for coating. Polyeuro MPL-11 should be sprayed in smooth, multi-
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STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE) directional passes to improve uniform thickness and ap-
Remove all oil, grease, weld spatters and round off any sharp pearance.
edges from surface. Minimum surface preparation is Near
White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum Storage ®
surface profile is 3-4 mils. Prime and shoot Polyeuro onto Polyeuro MPL-11 has a shelf life of one (1) year from date
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any bare metal the same day as it is cleaned to minimize any of manufacture in original, factory-sealed containers when
potential flash rusting. stored indoors at a temperature between 60-95°F (15-35°C).
GALVANIZED SURFACES Side-A and Side-B drums are recommended to be stored
Clean and degrease any contaminated surfaces before above 60°F (15°C). Avoid freezing temperatures.
priming. Do not blast galvanized surfaces with an abrasive Store drums on wooden pallets to avoid direct contact with
grit. An adhesion test is recommended prior to starting the the ground. If stored for a long period of time, rotate Side-A
project. and Side-B drums regularly.
FIBERGLASS REINFORCED PLASTIC
The gel coat should be lightly blasted or sanded with 80 grit Limitations
sandpaper and cleaned. Do not open until ready to use.
PLASTIC FOAMS Both Side-A and Side-B containers must be fitted with a
Enhanced adhesion is obtained when the foam is mechanically desiccant device during use.
abraded. When coating polystyrene, do not use a solvent-
based primer. Warning
This product contains Isocyanates and Curative Material.
TEXTILES, CANVAS, FABRICS
Adhesion to most fabrics, geothermal membranes and textiles
does not require a primer.
STAINLESS STEEL
Stainless steel may be grit blasted and degreased before
priming. Contact Polycoat Products for recommended primer.
Some stainless steel alloys are so inert that it is not possible to
achieve a satisfactory bond. An adhesion test is recommended
prior to starting the project.
ALUMINUM
Aluminum should be blasted with aluminum oxide or sand,
and not with steel or metal grit. Excessive blasting may
result in a warped or deformed surface. After blasting, wash
aluminum with a commercially available aluminum cleaner.
Allow to dry, then prime. Contact Polycoat Products for
recommended primer.

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 6.1
info@polycoatusa.com | www.polycoatusa.com