Ultra-high molecular weight polyethylene fiber (English name: Ultra High Molecular Weight Polyethylene Fiber, short name UHMWPE ), also known as high-strength high-modulus polyethylene fiber, is currently the fiber with the highest specific strength and specific modulus in the world.It is the fiber with the highest specific strength and specific modulus in the world.It is a fiber spun from polyethylene with a molecular weight of 1 million to 5 million.