Page 97 - Polycoat 10.2 Technical Data Sheet Polycaulk 82

ASTM D4259 - Standard practice for abrading concrete. NEW AND OLD CAST IRON
ASTM D4260 - Standard practice for etching concrete. Blast with a steel grit and degrease before priming. Old cast
ASTM F1869 - Standard test method for measuring moisture vapor iron is difficult to prepare for a satisfactory bond. It can absorb
emission rate of concrete. oil and water soluble contaminants that will keep returning
ICRI 03732 - Concrete surface preparation. to the surface after the coating system has been applied
WOOD and affect the coating system adhesion. An adhesion test is
All wood should be clean, dry and free of any knots, splinters, recommended prior to starting the project.
oil, grease or other contaminants. Splintered or rough areas
should be sanded. Knots should be repaired using Polycoat ALL OTHER SURFACES
Products PC-260 with sand. Upon full cure of the repair agent, An adhesion test is recommended prior to starting the project.
prime the entire surface intended for coating. Mixing
STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE) Polyeuro MH-752 may not be diluted under any circum-
Remove all oil, grease, weld spatters and round off any sharp stances. Thoroughly mix Polyeuro MH-752 Side-B material
edges from surface. Minimum surface preparation is Near with air driven power equipment until a homogeneous mix-
White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum ture and color is obtained.
surface profile is 3-4 mils. Prime and shoot Polyeuro onto Application
®
any bare metal the same day as it is cleaned to minimize any Both Side-A and Side-B material should be preconditioned at
potential flash rusting.
80-90°F before application.
GALVANIZED SURFACES Recommended surface temperature must be at least 5°F above
Clean and degrease any contaminated surfaces before the dew point.
priming. Do not blast galvanized surfaces with an abrasive Polyeuro MH-752 should be applied using a plural compo-
grit. An adhesion test is recommended prior to starting the nent, heated, high pressure 1:1 spray mixing equipment like
project. Graco’s Reactor, Glass Craft or other equivalent machine may
FIBERGLASS REINFORCED PLASTIC be used.
The gel coat should be lightly blasted or sanded with 80 grit Both Side-A and Side-B materials should be sprayed at a
sandpaper and cleaned. minimum of 2000 psi and at temperatures above 150°F.
Adequate pressure and temperature should be maintained
PLASTIC FOAMS at all times.
Enhanced adhesion is obtained when the foam is mechanically
abraded. When coating polystyrene, do not use a solvent- Polyeuro MH-752 should be sprayed in smooth, multi-
based primer. directional passes to improve uniform thickness and ap-
pearance.
TEXTILES, CANVAS, FABRICS
Adhesion to most fabrics, geothermal membranes and textiles Storage
does not require a primer. Polyeuro MH-752 has a shelf life of six (6) months from date
of manufacture in original, factory-sealed containers when
STAINLESS STEEL stored 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 Do not open until ready to use.
result in a warped or deformed surface. After blasting, wash
aluminum with a commercially available aluminum cleaner. Both Side-A and Side-B containers must be fitted with a
Allow to dry, then prime. Contact Polycoat Products for desiccant device during use.
recommended primer. Warning: This product contains Isocyanates and Curative Material.

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. © 2020 Polycoat Products. All rights reserved. Revision 20201125.AG

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