Discussion :: Building Materials - Section 3 (Q.No.33)
Usaf said: (Apr 7, 2018) | |
PVC (polyvinyl chloride, don't melt this one, its toxic) melts at about 160 degrees C. HDPE (High-Density Poly Ethelene) 120-180°C. MDPE (Medium Density Poly Ethelene) 120-180°C. LDPE (Low-Density Poly Ethylene) 105-115°C. PET(E) (polyethylene terephthalate,don't melt toxic) 250-250°C. PP (poly Propylene VARIES) 130°,160°,170°C. PS (Poly Styrene,don't melt,toxic) 240°C. PLA (Poly Lactic Acid, biodegradable plant plastic) 173-178°C. |
Swati said: (Mar 1, 2019) | |
Anyone, please explain the answer in detail. |
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