Assertion: pure polyvinyl chloride | /r/CapableOf | become small
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text: When talc is present in amounts between 5 and 30 percent by weight, the talc-blended polyvinyl chloride has an almost similar tensile strength as the pure polyvinyl chloride and the isotropy of the mechanical property becomes small, whereas the DuPont impact strength is lowered in the talc-blended polyvinyl chloride when it is compared with pure polyvinyl chloride.