Kev Tiv Thaiv Ib puag ncig Qib ntawm Melamine

Qib kev tiv thaiv ib puag ncig ntawm melamine board (MDF+LPL) yog tus qauv tiv thaiv ib puag ncig European. Muaj peb qib tag nrho, E0, E1 thiab E2 los ntawm siab mus rau qis. Thiab qib formaldehyde txwv sib xws yog muab faib ua E0, E1 thiab E2. Rau txhua kilogram ntawm phaj, qhov tso tawm ntawm E2 qib formaldehyde tsawg dua lossis sib npaug rau 5 mg, E1 qib formaldehyde tsawg dua lossis sib npaug rau 1.5 mg, thiab E0 qib formaldehyde tsawg dua lossis sib npaug rau 0.5 mg. Nws tuaj yeem pom tias qib ntawmlub rooj tsavxwm melamineyog kev tiv thaiv ib puag ncig, thiab qhov ncav cuag E0 yog qib kev tiv thaiv ib puag ncig tshaj plaws ntawm melamine board.