What are the polyester spinning materials used by the ribbon factory to produce pp webbing
2020-06-12
1. Filament PP webbing: single fiber is parallel, smooth and even, divided into big bright, bright, semi bright, extinction, and the brightness is getting weaker and weaker. 2. Elastic wire: single fiber bending, low expansion, fluffy. 3. Low elastic interlaced wire: network points are obtained periodically to increase the ability of bunching between fibers. 4. Pre oriented yarn: it can be stretched without springback, and can not be made into warp or weft separately
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