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              Lesson 2 Synthetic fibers used in nonwoven fabrics for Synthetic leather
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                      Fibers are mainly used to manufacture nonwoven fabrics which constitute the backbone ofleather. Conventional chemical fibers include polyester and nylon fibers. The main reason is theyhave excellent flexibility,abrasion resistance,fatigue resistance and s......（本文共 8524 字）      [閱讀本文] >> 
               
			  
				 
              
				 
				
				
              
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