| http://www.w3.org/ns/prov#value | - As, however, these materials have lower tenacity than fibers from such polymers as nylon 6, nylon 66 and polyethylene terephthalate and suffer from drastic vulcanization deterioration in the presence of moisture and fatal reduction in strength owing to wet heat degradation caused by generation of heat during running with water coming in from the scars and cracks of tyres.
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