Cov Khoom Siv Yas

Cov tais diav yas uas tau hloov kho dua tshiab yog ua los ntawm cov khoom noj khoom haus HDPE/PET uas tau hloov kho dua tshiab, nrog ≥80% khaws cov khoom siv kho tshuab tom qab rov ua dua tshiab, txo cov nqi se ib puag ncig ntawm cov neeg siv khoom. Tiv taus qhov kub thiab txias ntawm -10 ℃ txog 80 ℃ thiab tiv taus tawg, muab cov kev daws teeb meem hloov kho rau kev ua kom tau raws li qhov xav tau nruj hauv cov tebchaws Es Xias Qab Teb thiab Africa.