Page 65 - tmp

has deteriorated to an unacceptably rough surface, Polycoat Mixing
Products PC-260 or a mixture of Polyprime 21 and sand should Polyeuro 6881 may not be diluted under any circumstances.
®
be used as a repair agent for cracks, spalls, bug holes and Thoroughly mix Polyeuro 6881 Side-B material with air
®
voids. Upon full cure of the repair agent, prime the entire driven power equipment until a homogeneous mixture and
surface intended for coating. color is obtained.
CONCRETE SURFACE PREPARATION REFERENCE Application
ASTM D4258 - Standard practice for cleaning concrete. Apply over prepared or suitably primed carbon steel or
ASTM D4259 - Standard practice for abrading concrete. concrete. Application temperature for Polyeuro 6881 should
®
ASTM D4260 - Standard practice for etching concrete. be between 40-120°F (4.4 - 48.8°C) with relative humidity of
ASTM F1869 - Standard test method for measuring moisture vapor <85%.
emission rate of concrete. Do not apply product unless temperature is at least 5°F (3°C)
ICRI 03732 - Concrete surface preparation. above the dew point. Recoat schedule is 1-3 hours dependent
WOOD upon environment. See Specification Guide for re-coating
All wood should be clean, dry and free of any knots, splinters, guidelines and additional information.
oil, grease or other contaminants. Splintered or rough areas
should be sanded. Knots should be repaired using Polycoat Application Methods
Products PC-260 with sand. Upon full cure of the repair agent, Check area of application to ensure that it conforms to the
prime the entire surface intended for coating. substrate requirements.
STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE) Use Graco “Hydra-Cat” 45:1 Airless equipment or equal
Remove all oil, grease, weld spatters and round off any sharp designed for heated, plural-component, high pressure spray
edges from surface. Minimum surface preparation is Near application. High pressure equipment should have the
White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum capacity to apply product to a maximum 2500 psi from the
surface profile is 3-4 mils. Prime and shoot Polyeuro onto proportioner to meet job site conditions. Heat and maintain
®
any bare metal the same day as it is cleaned to minimize any material temperature in a range of 95-110°F (35-43.3°C) and
potential flash rusting. utilize insulated material hoses and application equipment
to ensure spray consistency, metering and degree of cure of
GALVANIZED SURFACES properly mixed product. Band heaters should not be used to
Clean and degrease any contaminated surfaces before heat or maintain temperature.
priming. Do not blast galvanized surfaces with an abrasive
grit. An adhesion test is recommended prior to starting the The conditioned materials shall be supplied to the proportioning
project. equipment at a flowable, pumpable viscosity, and in such
volume delivery to assure full supply for each pump stroke.
FIBERGLASS REINFORCED PLASTIC Recirculation system and solvent purge equipment is
The gel coat should be lightly blasted or sanded with 80 grit necessary to keep material maintained and spray equipment
sandpaper and cleaned. clean during application stoppage and/or for periods when
exceeding the product potlife.
PLASTIC FOAMS
Enhanced adhesion is obtained when the foam is mechanically Equipment Cleanup
abraded. When coating polystyrene, do not use a solvent- Equipment should be cleaned with an environmentally safe,
based primer. urethane-grade solvent (alcohol free) as permitted under local
regulations immediately after use.
TEXTILES, CANVAS, FABRICS
Adhesion to most fabrics, geothermal membranes and textiles Storage
®
does not require a primer. Polyeuro 6881 has a shelf life of one (1) year from date of
manufacture in original, factory-sealed containers when stored
STAINLESS STEEL indoors at a temperature between 60-95°F (15-35°C).
Stainless steel may be grit blasted and degreased before
priming. Contact Polycoat Products for recommended primer. Side-A and Side-B drums are recommended to be stored
Some stainless steel alloys are so inert that it is not possible to above 60°F (15°C). Avoid freezing temperatures.
achieve a satisfactory bond. An adhesion test is recommended Store drums on wooden pallets to avoid direct contact with
prior to starting the project. the ground. If stored for a long period of time, rotate Side-A
and Side-B drums regularly.
ALUMINUM
Aluminum should be blasted with aluminum oxide or sand, Limitations
and not with steel or metal grit. Excessive blasting may Polyeuro 6881 is not recommended for prolonged exposure
®
result in a warped or deformed surface. After blasting, wash to concentrated acids.
aluminum with a commercially available aluminum cleaner.
Allow to dry, then prime. Contact Polycoat Products for Do not open until ready to use.
recommended primer. Store drums on wooden pallets to avoid direct contact with
the ground.
NEW AND OLD CAST IRON
Blast with a steel grit and degrease before priming. Old cast Avoid freezing temperatures.
iron is difficult to prepare for a satisfactory bond. It can absorb No liability is assumed by Polycoat Products for substrate
oil and water soluble contaminants that will keep returning defects and/or improper substrate preparation and application.
to the surface after the coating system has been applied
and affect the coating system adhesion. An adhesion test is Warning
recommended prior to starting the project. This product contains Isocyanates and Curative Material.
ALL OTHER SURFACES
An adhesion test is recommended prior to starting the project.

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363 Section 3.12
info@polycoatusa.com | www.polycoatusa.com