40D Spandex пряжи

Huahai spandex is a high-class elastic fiber with the following features: 1) Highly elastic, thin, long stretch, low specific gravity, low ammonia content 2) High strength, high elastic modulus, breaking elongation may reach 550%and above, good wear resistance 3) High temperature resistant, heat setting temperature 190℃, goodchromaticity 4) Even denier, low tensile stress, high elastic recovery percentage, good formedium and high-class fabrics General physical characteristics and specifications and applications: border=0>