... and nylon, and its performance in:PTT fabric is soft and has excellent drape.PTT fabric with comfortable ... butylene terephthalate) PBT and polypropylene PP fiber, nylon 6 or nylon 66 fiber equivalent).PTT fabric has excellent elongation ... adaptability. PTT suitable for spinning pure cellulose fibers and natural fibers, synthetic compound, producing carpets, plain clothes, fashion, underwear, ...