Page 55 - Industrial Coatings

project to another. The following information is for general reference, Plastic Foams:
and for project-specific questions, contact Polycoat. Enhanced adhesion is obtained when the foam is mechanically
Carbon Steel: abraded. When coating polystyrene, do not use a solvent-based
A. Exterior coating: Abrasive Blast to SSSP, SP-10 (Near-white) with primer.
a surface profile of 1.2 - 2.2 mils. Textiles, Canvas, Fabrics:
B. Internal Lining: Abrasive Blast to SSSP-SP-5 (White metal) with a Adhesion to most fabrics, geothermal membranes and textiles does
surface profile of 2.2 -3 .2 mils. Vacuum all surfaces to remove dust, not require a primer.
etc., prior to application. Stainless Steel:
New and Old Concrete: Stainless steel may be grit blasted and degreased before priming.
Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New concrete Some stainless steel alloys are so inert that it is not possible to achieve
must be cured for 28 days prior to product application. Surface must a satisfactory bond. An adhesion test is recommended prior to
be clean, dry, sound and offer sufficient profile for product adhesion. starting the project.
Remove all dust, dirt, oil, form release agents, curing compounds, New and Old Cast Iron:
salts, efflorescence, laitance and other foreign matter by shotblasting Blast with a steel grit and degrease before priming. Old cast iron is
and/or suitable chemical means, in accordance with local chemical difficult to prepare for a satisfactory bond. It can absorb oil and water
regulations. Rinse thoroughly, to achieve a pH between 8.0 and 11.0. soluble contaminants that will keep returning to the surface after the
Allow to dry completely. If old concrete has a surface that has coating system has been applied and affect the coating system
deteriorated to an unacceptably rough surface, Polycoat Products adhesion. An adhesion test is recommended prior to starting the
PC-260 or a mixture of Polyprime 21 and sand should be used as a project.
repair agent for cracks, spalls, bug holes and voids. Upon full cure All Other Surfaces:
of the repair agent, prime the entire surface intended for coating. An adhesion test is recommended prior to starting the project.
Concrete Surface Preparation Reference:
ASTM D4258 - Standard practice for cleaning concrete MIXING
ASTM D4259 - Standard practice for abrading concrete TuffshieldTM II HAR may not be diluted under any circumstances.
ASTM D4260 - Standard practice for etching concrete Thoroughly mix TuffshieldTM 801 Part-B (Resin side) with air driven
ASTM F1869 - Standard test method for measuring moisture vapor power equipment until a homogeneous mixture and color is obtained.
emission rate of concrete
ICRI 03732 - Concrete surface preparation APPLICATION
Wood: Both Part-A and Part-B material should be preconditioned at 75-85°F
All wood should be clean, dry and free of any knots, splinters, oil, before application. Recommended surface temperature must be at
grease or other contaminants. Splintered or rough areas should be least 5°F above the dew point.
sanded. Knots should be repaired using Polycoat Products PC-260 TuffshieldTM II HAR should be applied using a plural component,
with sand. Upon full cure of the repair agent, prime the entire surface heated, high pressure 1:1 spray mixing equipment like Graco’s
intended for coating. Reactor, Glass Craft or other equivalent machine may be used.
Steel (Atmospheric and Immersion Exposure): Both Part-A and Part-B materials should be sprayed at a minimum of
Remove all oil, grease, weld spatters and round off any sharp edges 2000 psi and at temperatures above 160-170°F. Adequate pressure
from surface. Minimum surface preparation is Near White Metal Blast and temperature should be maintained at all times.
Cleaning per SSPC-SP10/NACE 2. Optimum surface profile is 2-3 mils. TuffshieldTM II HAR should be sprayed in smooth, multidirectional
Prime and shoot TuffshieldTM II HAR on to any bare metal the same passes to improve uniform thickness and appearance.
day as it is cleaned to minimize any potential flash rusting.
Aluminum: EQUIPMENT CLEAN UP
Aluminum should be blasted with aluminum oxide or sand, and not Equipment should be cleaned with an environmentally safe, ure-
with steel or metal grit. Excessive blasting may result in a warped thane-grade solvent (alcohol free) as permitted under local regulations
or deformed surface. After blasting, wash aluminum with a commer- immediately after use.
cially available aluminum cleaner. Allow to dry, then prime.
Brass and Copper: STORAGE
Brass and copper should be blasted with sand, and not with steel or TuffshieldTM II HAR has a shelf life of one (1) year from date of
metal grit. Remove all dust and grease prior to applying primer. manufacture, in factory-sealed containers.
Galvanized Surfaces: Part-A and Part-B drums are recommended to be stored above 60°F.
Clean and degrease any contaminated surfaces before priming. Do Avoid freezing temperatures
not blast galvanized surfaces with an abrasive grit. An adhesion test Store drums on wooden pallets, avoid direct contact with the ground.
is recommended prior to starting the project. If stored for a long period of time, rotate drums regularly.
Fiberglass Reinforced Plastic:
The gel coat should be lightly blasted or sanded with 80 grit sandpaper LIMITATIONS
and cleaned. Do not open until ready to use.
Both Part-A and Part-B containers must be fitted with a desiccant
device during use.

WARNING
This product contains Isocyanates and Curative Material.

Please read all information in the general guidelines, product data sheets, guide specifications and material safety data sheets (MSDS) before applying material. 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 and instructions.

LIMITED WARRANTY
Polycoat Products warrants its products to be free of manufacturing defects and that they will meet Polycoat Products current published physical properties. Polycoat Products warrants that its products, when properly installed by a state licensed waterproofing contractor according to
Polycoat Products guide specifications and product data sheets over a sound, properly prepared substrate, will not allow water migration for a period of one (1) year. Seller’s and manufacturer’s sole responsibility shall be to replace that portion of the product of this manufacturer
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 users 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.

14722 Spring Avenue  Santa Fe Springs, CA 90670-5108 USA  Tel: 562/802-8834  Fax: 562/921-7363  www.polycoatusa.com  Copyright  September 2011 Polycoat Products