Yas Coated Paper Cup

Qee lub tuam txhab khoom noj tau pib txheej polyethylene rau ntawm daim duab los qhia kom muaj kev thaiv thiab nruj ntawm daim ntawv ntim. Txij li thaum lub melting point ntawm polyethylene yog ntau dua li ntawm cov quav ciab, lub khob tshiab dej haus ntawv khob coated nrog cov khoom no yuav siv tau los tuav cov dej kub thiab daws cov teeb meem ntawm cov khoom zoo uas cuam tshuam los ntawm melting ntawm cov khoom txheej. Nyob rau tib lub sijhawm, cov xim pleev xim polyethylene yog smoother dua li cov xim qub qub, uas txhim kho cov tsos ntawm daim ntawv khob. Tsis tas li ntawd, nws cov thev naus laus zis ua haujlwm yog pheej yig dua thiab sai dua li txheej txheej latex.