| http://www.w3.org/ns/prov#value | - A heat shrinkable rubber or plastic tube is obtained by, for example, a method wherein a rubber or plastic such as polyethylene, polyvinyl chloride, polyester, or ethylene propylene rubber is melted and extruded in a tubular form, the obtained tube is irradiated with an electron beam to be crosslinked; and the crosslinked tube is stretched at a temperature which is lower than the melting point of
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