It is a kind of new reinforcing material made of PET by melting, extruding, quick-spinning and stretching.Its surface is specially dealt with and cut by a machine.

• 聚酯纤维是以聚酯（聚对苯二甲基乙二酯，PET）为主要原料，通过熔融、挤出、高速喷丝、拉伸后，经特殊表面处理，利用切断机切断而成的一种新型的加筋产品。