Cov chav kawm tua hluav taws tuaj yeem yog: A, B, C, D, E, F.Below yog kev qhia ntawm cov chav qhia hluav taws sib txawv:
1.Class Hluav Taws Xob: cov khoom hluav taws kub, uas feem ntau muaj cov khoom ntiag tug ntawm cov organic, feem ntau ua cov pa hluav taws thaum hlawv, xws li ntoo, paj rwb, hemp, ntaub plaub, ntaub ntawv, thiab lwm yam.
2. Chav B hluav taws: cov hluav taws kub ua kua thiab cov teeb meem hluav taws kub uas tuaj yeem yaj, xws li ntau cov roj, methanol, ethanol, asphalt, paraffin, thiab lwm yam.
3. Chav kawm hluav taws kub C: hluav taws kub roj xws li roj, nkev roj, methyl ethyl propane, hydrogen, thiab lwm yam.
4. Chav D hluav taws kub: cov hlau hluav taws kub xws li potassium, sodium, magnesium, titanium, zirconium, lithium, aluminium-magnesium alloys, thiab lwm yam. , potassium, calcium)
5. Chav kawm hluav taws kub E: hluav taws nrog hluav taws, qhov khoom hlawv nrog hluav taws xob
6. Chav F hluav taws: ua noj (xws li tsiaj thiab zaub tsiaj rog) hauv chav ua noj.
Cov tshuaj tua hluav taws tshaj plaws yog: cov hmoov tshuaj qhuav (ABC Qhuav hmoov: ABC 50%, abc 70%, abc 90%), BC qhuav hmoov: BC 50%, HFC-227EA hluav taws kub tus neeg sawv cev, HFA-236FA hluav taws kub, F-500 tua hluav taws tso rau tus neeg sawv cev, thiab lwm yam.
