Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) yog ib qho ntawm cov thermoplastic polyethylene.
Kuj hu ua high-modulus polyethylene, (HMPE), nws muaj cov chains ntev heev, nrog cov molecular loj feem ntau ntawm 3.5 thiab 7.5 lab amu.Cov saw ntev ua haujlwm rau kev hloov cov khoom siv tau zoo rau cov pob txha polymer los ntawm kev ntxiv dag zog rau kev sib cuam tshuam.Qhov no ua rau cov khoom siv tawv heev, nrog lub zog siab tshaj plaws ntawm cov thermoplastic tam sim no ua.
UHMWPE yog odorless, tasteless, thiab nontoxic.Nws embodies tag nrho cov yam ntxwv ntawm high-density polyethylene (HDPE) nrog rau ntxiv cov yam ntxwv ntawm ua resistant rau concentrated acids thiab alkalis, nrog rau ntau cov organic solvents.Nws yog cov resistant rau corrosive tshuaj tsuas yog oxidising acids;muaj qhov nqus dej tsis tshua muaj thiab muaj coefficient tsawg heev ntawm kev sib txhuam;yog tus kheej-lubricating (saib ciam lubrication);thiab yog cov resistant rau abrasion, nyob rau hauv ib co ntaub ntawv yog 15 npaug ntau resistant rau abrasion dua carbon steel.Nws cov coefficient ntawm kev sib txhuam yog qis dua li ntawm nylon thiab acetal thiab yog piv rau cov polytetrafluoroethylene (PTFE, polymer), tab sis UHMWPE muaj kev puas tsuaj zoo dua li PTFE.
Post lub sij hawm: Jun-30-2017