Why PVC is heat sensitive and self-extinguishing material?
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39
Answer:
PVC has a very low thermal stability and stabilizers help prevent degradation of polymer during processing or exposure to light. When subjected to heat, vinyl compounds initiate a self-accelerating dehydrochlorination reaction and these stabilizers neutralize the HCl produced enhancing the life of polymer.
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1
Answer:
PVC is inherently a self-extinguishing fire retardant material due to the abundance of chlorine in its formulation, with burning characteristics closer to that of paper, wood and straw.
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