Shrinkage Rate Ntawm Polyurethane Prepolymer

Rau ib qho tshuaj, lawv muaj ntau yam ntxwv uas peb yuav tsum nkag siab. Txhawm rau kom zoo dua siv polyurethane prepolymer, ntxiv rau qee cov yam ntxwv yooj yim, peb kuj yuav tsum paub nws qhov shrinkage tus nqi.

Hauv kev tsim khoom tiag tiag, peb yuav tsum tau them sai sai rau cov kev hloov pauv ntawm cov khoom no. Raws li cov kev hloov pauv no, peb tuaj yeem pab peb kho cov khoom ntawm polyurethane prepolymers zoo dua thiab ua rau peb txoj haujlwm zoo dua.