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ASTM D4260 - Standard practice for etching concrete coating system adhesion. An adhesion test is recommended
ASTM F1869 - Standard test method for measuring moisture prior to starting the project.
vapor emission rate of concrete
ICRI 03732 - Concrete surface preparation ALL OTHER SURFACES
An adhesion test is recommended prior to starting the project.
WOOD
All wood should be clean, dry and free of any knots, splinters, Mixing
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oil, grease or other contaminants. Splintered or rough areas. Polyeuro MPL 501 may not be diluted under any circum-
stances. Thoroughly mix Polyeuro MPL 501 Side-B with air
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STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE) driven power equipment until a homogeneous mixture and
Remove all oil, grease, weld spatters and round off any sharp color is obtained.
edges from surface. Minimum surface preparation is Near
White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum Application
surface profile is 2-3 mils. Prime and shoot Polyeuro MPL 501 Both Side-A and Side-B material should be preconditioned at
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on to any bare metal the same day as it is cleaned to minimize 80-90°F (27-32°C) before application.
any potential flash rusting. Recommended surface temperature must be at least 5°F (3°C)
above the dew point.
ALUMINUM
Aluminum should be blasted with aluminum oxide or sand, Polyeuro MPL 501 should be applied using a plural compo-
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and not with steel or metal grit. Excessive blasting may result nent, heated, high pressure 1:1 spray mixing equipment like
in a warped or deformed surface. After blasting, wash alumi- Graco’s Reactor, Exp-2 or other equivalent machine may be
num with a commercially available aluminum cleaner. Allow used.
to dry, then prime.
Both Side-A and Side-B materials should be sprayed at a
BRASS AND COPPER minimum of 2000 psi and at temperatures above 150°F (66°C).
Brass and copper should be blasted with sand, and not Adequate pressure and temperature should be maintained
with steel or metal grit. Remove all dust and grease prior to at all times.
applying primer. Polyeuro MPL 501 should be sprayed in smooth, multi-
directional passes to improve uniform thickness and
GALVANIZED SURFACES
Clean and degrease any contaminated surfaces. Do not appearance.
blast galvanized surfaces with an abrasive grit. Fiberglass Equipment Clean-Up
Reinforced Plastic: Equipment should be cleaned with an environmentally safe,
The gel coat should be lightly blasted or sanded with 80 grit urethane-grade solvent (alcohol free) as permitted under local
sandpaper and cleaned. regulations immediately after use.
PLASTIC FOAMS Storage
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Enhanced adhesion is obtained when the foam is mechani- Polyeuro MPL 501 has a shelf life of one (1) year from date
cally abraded. When coating polystyrene, do not use a solvent- of manufacture in original, factory-sealed containers when
based primer. stored indoors at a temperature between 60-95°F (15-35°C).
Side-A and Side-B drums are recommended to be stored
TEXTILES, CANVAS, FABRICS
Adhesion to most fabrics, geothermal membranes and tex- above 60°F (15°C). Avoid freezing temperatures.
tiles does not require a primer. Store drums on wooden pallets to avoid direct contact with
the ground. If stored for a long period of time, rotate Side-A
STAINLESS STEEL and Side-B drums regularly.
Stainless steel may be grit blasted and degreased. Some
stainless steel alloys are so inert that it is not possible to Limitations
achieve a satisfactory bond. An adhesion test is recom- Do not open until ready to use.
mended prior to starting the project.
Both Side-A and Side-B containers must be fitted with a
NEW AND OLD CAST IRON desiccant device during use.
Blast with a steel grit and degrease. Old cast iron is difficult Warning
to prepare for a satisfactory bond. It can absorb oil and water
soluble contaminants that will keep returning to the surface This product contains Isocyanates and Curative Material.
after the coating system has been applied and affect the

Limited Warranty: Please read all information in the General Guidelines, Technical Data Sheets, Guide Specifications and Safety Data Sheets (SDS) before applying material. These products are for professional use only
and preferably applied by professionals who have prior experience with the Polycoat Products materials or have undergone training in application of Polycoat Products materials. Published technical data and instructions are
subject to change without notice. Contact your local Polycoat Products representative or visit our website for current technical data, instructions, and project specific recommendations.
Polycoat Products warrants its products to be free of manufacturing defects and that they will meet Polycoat Products’ current published physical properties. Seller’s and manufacturer’s sole responsibility shall be to
replace that portion of the product which proves to be defective. There are no other warranties by Polycoat Products of any nature whatsoever expressed or implied, including any warranty of merchantability or fitness for
a particular purpose in connection with this product. Polycoat Products shall not be liable for damages of any sort, including remote or consequential damages resulting from any claimed breach of any warranty whether
expressed or implied. Polycoat Products shall not be responsible for use of this product in a manner to infringe on any patent held by others. In addition, no warranty or guarantee is being issued with respect to appearance,
color, fading, chalking, staining, shrinkage, peeling, normal wear and tear or improper application by the applicator. Damage caused by abuse, neglect and lack of proper maintenance, acts of nature and/or physical movement
of the substrate or structural defects are also excluded from the limited warranty. Polycoat Products reserves the right to conduct performance tests on any material claimed to be defective prior to any repairs by owner,
general contractor, or applicator.
Disclaimer: All guidelines, recommendations, statements, and technical data contained herein are based on information and tests we believe to be reliable and correct, but accuracy and completeness of said tests are not
guaranteed and are not to be construed as a warranty, either expressed or implied. It is the user’s responsibility to satisfy himself, by his own information and test, to determine suitability of the product for his own intended use,
application and job situation and user assumes all risk and liability resulting from his use of the product. We do not suggest or guarantee that any hazard listed herein are the only ones which may exist. Neither seller nor manufacturer
shall be liable to the buyer or any third person for any injury, loss or damage directly or indirectly resulting from use of, or inability to use, the product. Recommendations or statements, whether in writing or oral, other than those
contained herein shall not be binding upon the manufacturer, unless in writing and signed by a corporate officer of the manufacturer. Technical and application information is provided for the purpose of establishing a general profile
of the material and proper application procedures. Test performance results were obtained in a controlled environment and Polycoat Products makes no claim that these tests or any other tests accurately represent all environments.
Polycoat Products is not responsible for typographical errors. © 2023 Polycoat Products. All rights reserved. Revision 20230807.JC

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