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| Name | Short name | Burning condition | Flame condition | Condition without fire | Smell |
| Polypropylene | PP | Easy | soften and drip, yellow in the upper and blue in the bottom | Less smoke; continue to burn | Smell of Oil |
| Polypropylene | PE | Easy | soften and drip, yellow in the upper and blue in the bottom | continue to burn | Smell of burning paraffin |
| Polyvinyl chloride | PVC | Difficult;soften | yellow in the upper and green in the bottom with smoke | Extinguished without fire | Pungent acid |
| Polyformaldehyde | POM | Easy to soften and drip | yellow in the upper and blue in the bottom without smoke | Continue to burn | Strong and pungent smell of formaldehyde |
| Polystyrene | PS | Easy | soften with bubbles, orange; dark black smoke; coal powder | Continue to burn with oily and shiny surface | special vinyl smell |
| Nylon | PA | Slow | soften and drip | Foam and extinguish slowly | Odor of special wool and nail |
| Poly methyl methacrylate | PMMA | Easy | soften with foam light blue, white quality without smoke | Continue to burn | Strong floral odour and rotten vegetable odour |
| Polycarbonate | PC | Easy, soften with foam | a small amount of black smoke | extinguish without fire | Without special smell |
| Polytetrafluoroethylene | PTFE | Not burn | break down the pungent odor of hydrogen fluoride in the fire | ||
| Polyethylene terephthalate | PET | Easy, soften with foam | Orange with a small amount of black smoke | Extinguish slowly without fire | Acid |
| Acrylonitrile – butadiene – styrene copolymer | ABS | Slow, soften and burn without dropping | Yellow with a small amount of black smoke | Continue to burn | Special smell |
