For fibres, with respect to creep, the primary creep is

Time dependant elongation of thermoplastic fibres are regarded as

Upon thermal treatment of synthetic fibres amorphous orientation......and crystalline regions changes from ..........to............

The lustre of the synthetic fibre................while mixing the titanium dioxide in its dope. 

The birefringence value of longer cotton fibre is

The birefringence value of nylon is