The physical properties of spandex: 1, with high elongation at break
2. High extensibility, low elastic modulus and high elastic recovery rate;
3. It is more resistant to chemical degradation than latex yarn and has moderate thermal stability;
4. Its polymer chain is composed of low-melting, amorphous “soft” segments as the matrix and high-melting, crystalline “hard” segments embedded in it;
5. It has good chemical resistance, resistant to most acids and alkalis, chemical agents, organic solvents, dry cleaning agents and bleaching agents, and resistant to sunlight and wind and snow, but not resistant to oxides, which makes the fiber yellow and strong reduce;
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Post time: Dec-03-2020