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        <div id="content-top1">Page 44 - Cast Elastomers</div>
        <div id="content-top2">P. 44</div>
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    <pre style="white-space:pre-line"><code>Material Data Sheet

A Division of American Polymers

                                            System Number 2719101

Polycoat-PolycastÂ® PTMEG 35A

                                 Typical Physical Properties
                                       for Cured Material

Hardness                           Shore A                    35 Â± 2
Ultimate Tensile                      PSI                     1459
Tensile Strength                                               128
                                 PSI @100%                     189
Ultimate Elongation              PSI @300%                    1326
Die C Tear                                                     112
Split Tear                             %
Resilience                            PLI                       37
Compression Set                       PLI                       63
                                 % Rebound                      51
                                       %

                                 Typical Physical Properties

                                 for Components

                                 AB

Viscosity, cps                   1100            630
Mix Ratio, by Weight
                                 39 100

                                 Processing Parameters

A-side Temperature                   ÂºF        85
B-side Temperature                   ÂºF        85
Mold Temperature                     ÂºF     120-150
Gel Time                         Seconds       160
Demold Time                      Minutes       20
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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