... and alkali ,wearing resistance,in ceramics, pharmaceutical plants, food, metallurgical industry Nylon filter fabric 663 Description: Model No.:663elongation(%):warp :39 ... %.So it is suitable for marufacturing car tyres. Polyemide fiber industry cloth can be divided into 301#, 407#, 663#, 17-2#, ... 17-7#, all of them are used in the industry of pottery medicine, food, metallurgy, rubber, etc. But 66 ...