Recycling ua haujlwm rau kev ua kom huv ntawm polyurethane prepolymer
Apr 08, 2021
Rau qee cov khoom siv tshuaj, tom qab lawv tsim tawm, lawv tsis tuaj yeem suav tias yog tiav lawm. Peb tseem yuav tau ntxuav lawv. Piv txwv li, polyurethane prepolymers yuav tsum tau purified tom qab lawv tsim.
Hauv kev muaj tiag, peb yuav tsum xaiv txoj hauv kev uas peb xav kom huv si raws li qhov xwm txheej tiag tiag, yog li ntawd peb tuaj yeem ua tiav qhov kev ua kom huv ntawm polyurethane prepolymer, ntawm chav kawm, peb yuav tsum tsis txhob hnov qab xav txog peb tus kheej kev nyab xeeb.
