Polyester fiber sub-filament and short fiber in two forms. The so-called polyester filament, a length of more than 1000 meters of silk, filament winding into a group. Polyester staple fiber is a few centimeters to ten centimeters of staple fiber. Polyester filament: high strength; good heat resistance, can be used at -70℃～170℃; good elasticity, the elasticity of polyester is close to wool; good ab...
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