SA polymer; the poly is elected form {HEAD ~ the group} consisting of Hytrel® 4056 polymer and Riteflex® polymer; the elastomer is made from polyolefins, and is Engage® elastomers, the elastomer is made from a poly, and is Estane® elastomers, the elastomer is made from a poly, and is Estane® elastomers, the elastomer is made from poly, and is Kraton® elastomers; and the poly polymer is {TAIL ~ KynarFlex®} 2800 polymer 
SA polymer ; the poly is elected form { HEAD ~ the group } consisting of Hytrel ® 4056 polymer and Riteflex ® polymer ; the elastomer is made from polyolefins , and is Engage ® elastomers , the elastomer is made from a poly , and is Estane ® elastomers , the elastomer is made from a poly , and is Estane ® elastomers , the elastomer is made from poly , and is Kraton ® elastomers ; and the poly polymer is { TAIL ~ KynarFlex ® } 2800 polymer
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