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NEW AND OLD CONCRETE priming. Some stainless steel alloys are so inert that it is not
Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New possible to achieve a satisfactory bond. 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 NEW AND OLD CAST IRON
agents, curing compounds, salts, efflorescence, laitance and Blast with a steel grit and degrease before priming. Old cast
other foreign matter by shotblasting and/or suitable chemical iron is difficult to prepare for a satisfactory bond. It can absorb
means, in accordance with local chemical regulations. Rinse oil and water soluble contaminants that will keep returning
thoroughly, to achieve a pH between 8.0 and 11.0. Allow to dry to the surface after the coating system has been applied
completely. If old concrete has a surface that has deteriorated and affect the coating system adhesion. An adhesion test is
to an unacceptably rough surface, Polycoat Products PC-260 recommended prior to starting the project.
or a mixture of Polyprime 21 and sand should be used as a ALL OTHER SURFACES
repair agent for cracks, spalls, bug holes and voids. Upon full An adhesion test is recommended prior to starting the project.
cure of the repair agent, prime the entire surface intended
for coating. Mixing
Polyeuro 5901-F may not be diluted under any circumstances.
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CONCRETE SURFACE PREPARATION REFERENCE Use appropriate cleaner for purge line and flushing of
ASTM D4258 - Standard practice for cleaning concrete equipment and if spraying stops for periods exceeding the pot
ASTM D4259 - Standard practice for abrading concrete life of the material. Thoroughly mix Polyeuro 5901-F Side-B
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ASTM D4260 - Standard practice for etching concrete with air driven power equipment until a homogeneous mixture
ASTM F1869 - Standard test method for measuring moisture vapor and color is obtained.
emission rate of concrete
ICRI 03732 - Concrete surface preparation Application
WOOD Both Side-A and Side-B materials should be preconditioned
All wood should be clean, dry and free of any knots, splinters, to 75-80°F (24-27°C) before application.
oil, grease or other contaminants. Splintered or rough areas Recommended surface temperature must be at least 5°F (3°C)
should be sanded. Knots should be repaired using Polycoat above the dew point.
Products PC-260 with sand. Upon full cure of the repair agent,
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prime the entire surface intended for coating. Polyeuro 5901-F should be applied using a plural component,
heated, high pressure 1:1 spray mixing equipment like Graco’s
STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE) Reactor, Glass Craft or other equivalent machine may be used.
Remove all oil, grease, weld spatters and round off any sharp Both Side-A and Side-B materials should be sprayed at a
edges from surface. Minimum surface preparation is Near minimum of 2000 psi and at temperatures above 150°F. (66°C).
White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum Adequate pressure and temperature should be maintained
surface profile is 3-4 mils. Prime and shoot Polyeuro on to at all times.
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any bare metal the same day as it is cleaned to minimize any
potential flash rusting. Polyeuro 5901-F should be sprayed in smooth, multidirectional
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passes to improve uniform thickness and appearance.
ALUMINUM
Aluminum should be blasted with aluminum oxide or sand, Storage
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and not with steel or metal grit. Excessive blasting may Polyeuro 5901-F has a shelf life of one (1) year from date
result in a warped or deformed surface. After blasting, wash of manufacture in original, factory-sealed containers when
aluminum with a commercially available aluminum cleaner. stored indoors at a temperature between 60-95°F (15-35°C).
Allow to dry, then prime.
Side-A and Side-B drums are recommended to be stored
BRASS AND COPPER above 60°F (15°C). Avoid freezing temperatures.
Brass and copper should be blasted with sand, and not Store drums on wooden pallets to avoid direct contact with
with steel or metal grit. Remove all dust and grease prior to the ground.If stored for a long period of time, rotate Side-A
applying primer. and Side-B drums regularly
GALVANIZED SURFACES Limitations
Clean and degrease any contaminated surfaces before Do not open until ready to use. Both Side-A and Side-B
priming. Do not blast galvanized surfaces with an abrasive containers must be fitted with a desiccant device during use.
grit. An adhesion test is recommended prior to starting the
project. Warning
FIBERGLASS REINFORCED PLASTIC This product contains Isocyanates and Curative Material.
The gel coat should be lightly blasted or sanded with 80 grit
sandpaper and cleaned.

PLASTIC FOAMS
Enhanced adhesion is obtained when the foam is mechanically
abraded. When coating polystyrene, do not use a solvent-
based primer.
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

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