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Question:

Flammability of Polyvinyl Chloride Plastics

Flammability of Polyvinyl Chloride Plastics

Answer:

PVC combustion performance is not good, from the fire that is off, the flame was yellow, the bottom was green, white smoke, are flame retardant plastic; burning, irritating hydrogen chloride odor release, softening when burning.
In actual use, PVC contains a large amount of organic esters (such as DOP) flammable plasticizer, so consider the flame retardant problem. PVC alone in the use of antimony trioxide flame retardant. If combined with chlorinated paraffin, the flame retardancy is better. Transparent PVC should use phosphoric acid ester flame retardants, commonly used tricresyl phosphate (TCP) but TCP low temperature performance is poor. Halophosphate performance is good, but the price is slightly more expensive

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