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<p>[QUOTE=&quot;charley, post: 7770699, member: 5372&quot;]Soft segments can be polyether or polyester type.</p><p><br /></p><p>Maybe don&#039;t answer so fast without actually knowing. A good place to start would be the American Chemistry Council. </p><p>You may actually enjoy learning about Thermoplastic Polyurethane (if you have the time. It took me 19 years. I was a slow learner.</p><p>Shot spitballs a lot during exams).</p><p><br /></p><p>I do appreciate the help, though. The more....opinions....the better.[/QUOTE]</p><p><br /></p>

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