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Long fiber: a single fiber is very long, bai is continu […]
Long fiber: a single fiber is very long, bai is continuous. For example, 75D/36F is a polyester filament composed of 36 and a single continuous fiber.
Staple fiber: A single fiber is only about a few centimeters. For example, 32S polyester is a yarn made by twisting short fibers.
The thickness of 32S is equal to the thickness of 100D filament.China polyester color yarns manufacturers
1. It can be seen directly from the description that the filament units are all D, such as 75D and 100D. Short fibers are S, such as 32S, 21S.
2. Identify by hand, take out a polyester yarn, twist and twist left and right, continuous filament, short fiber will untwist and disconnect.