Uhmwpe Sheet. Price : Rs 350 / Kilogram (Approx) Ultra-high-molecular-weight polyethylene (uhmwpe, uhmw) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (hmpe), or high-performance polyethylene (hppe), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5.