| http://www.w3.org/ns/prov#value | - diene rubber, etc.; polyvinyl chloride type elastomer in which the hard segment is polyvinyl chloride, etc. and the soft segment is a plasticizer such as 2-ethylhexyl phthalate (dioctyl phthalate), etc. or a polymer blend such as NBR, partially crosslinked NBR, etc., rubber such as modified PVC, etc.; polyester type elastomer in which the hard segment is polyester and soft segment is polyether or
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