Fire and flame retardants for PVC

The flammability performance of PVC plays a significant role in its selection for many applications. Its relatively high chlorine content (56.8%) makes it more resistant to ignition and burning than most organic polymers. In the case of flexible PVC, the plasticizers that contribute flexibility in m...

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Bibliographic Details
Published in:Journal of vinyl & additive technology 2003-09, Vol.9 (3), p.108-115
Main Author: William Coaker, A.
Format: Article
Language:English
Subjects:
Applied sciences
Compounding ingredients
Exact sciences and technology
Fireproof agents
Polymer industry, paints, wood
Technology of polymers
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Summary:The flammability performance of PVC plays a significant role in its selection for many applications. Its relatively high chlorine content (56.8%) makes it more resistant to ignition and burning than most organic polymers. In the case of flexible PVC, the plasticizers that contribute flexibility in most instances detract from its resistance to fire. To meet specifications such as oxygen index, heat release, smoke evolution, or extent of burning in cable tests, flame‐retardant (FR) and smoke‐suppressant (SS) additives are often incorporated. Synergistic combinations of FR and SS additives help PVC formulations meet many stringent FR specifications cost effectively.
ISSN:1083-5601
1548-0585
DOI:10.1002/vnl.10072