Thaum xaiv TPU yas granules, nws yog ib qho tseem ceeb uas yuav tau xav txog cov khoom npaj siv thiab cov txheej txheem ua. Ua ntej, txiav txim siab qhov xav tau hardness; TPU feem ntau yog li ntawm 60A txog 75D, nrog rau qib sib txawv hardness haum rau cov khoom sib txawv. Tom ntej no, xaiv cov khoom siv raws li cov kev xav tau tshwj xeeb ntawm kev ua tau zoo- xws li pob tshab, yellowing resistance, hydrolysis resistance, los yog nplaim taws retardancy.
Txoj kev ua haujlwm yog qhov tseem ceeb sib npaug; Piv txwv li, kev txhaj tshuaj molding, extrusion, thiab tshuab moulding yuam kev sib txawv ntawm cov khoom siv flowability, yog li cov qib tsim nyog yuav tsum raug xaiv. Tsis tas li ntawd, yam xws li hnav tsis kam, roj tsis kam, kev ua haujlwm ntawm qhov kub thiab txias, thiab kev ua raws li cov qauv ib puag ncig yuav tsum raug soj ntsuam. Nws raug nquahu kom muab cov ntaub ntawv los ntawm cov tuam txhab muaj npe nrov uas muaj kev txhawb nqa zoo thiab muaj zog; qhov no tsis tsuas yog ua kom cov khoom zoo tab sis kuj txo qis tus nqi tsis raug thaum lub sijhawm tsim khoom thiab txhim kho kev tsim khoom tag nrho.
