rate of uhmwpe made by reliance is around Rs. 106/= per kg.
rate of uhmwpe made in china(ISO (9001) is around Rs. 155/- per
kg.
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UHMPE - Ultra High Mass Polyethylene - but most polymers, by
definition, have high molecular mass.
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The polyethylene that can't be stretched, the
ultra-high-molecular-weight PE they make hockey rink edges out of,
is too stiff to be stretched. The PE they make plastic bags out of
stretches fairly easily.