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        <div id="content-top1">Page 49 - Cast Elastomers</div>
        <div id="content-top2">P. 49</div>
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    <pre style="white-space:pre-line"><code>Material Data Sheet

A Division of American Polymers

                                            System Number 209105

Polycoat-PolycastÂ® PTMEG 85A

                                 Typical Physical Properties
                                       for Cured Material

Hardness                           Shore A                    85 Â± 2
Ultimate Tensile                      PSI                     4831
Tensile Strength                                               965
                                 PSI @100%                    1939
Ultimate Elongation              PSI @300%                     617
Die C Tear                                                     565
Split Tear                             %                       132
Resilience                            PLI
Compression Set                       PLI                       76
                                 % Rebound                      51
                                       %

                                 Typical Physical Properties

                                 for Components

                                 AB

Viscosity, cps                   1100            2900
Mix Ratio, by Weight
                                 70 100

                                 Processing Parameters

A-side Temperature                   ÂºF        90
B-side Temperature                   ÂºF        90
Mold Temperature                     ÂºF     150-180
Gel Time                         Seconds       90
Demold Time                      Minutes        5
Post Cure Time                    Hours        24

Note: A-side (Polycoat-PolycastÂ® ISO 31226) is an isocyanate-terminated (MDI) polyester prepolymer
used in all the above tested.

Note: The conditions of your use and application of our products, technical assistance and information (whether verbal, written or by
way of production evaluation), including any suggested formulations and recommendations, are beyond our control. Therefore, it is
imperative that you test our products, and request technical assistance and information to determine to your own satisfaction whether
they are suitable for your intended uses and application.

         14722 Spring Avenue, Santa Fe Springs, CA 90670-5108 USA â™¦ Tel: 562/802-8834 â™¦ Fax: 562/921-7363 â™¦ www.polycoatusa.com â™¦ CopyrightÂ© May 2011 Polycoat Products</code></pre>
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