Transcription of Fire Properties of Polyvinyl Chloride
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Fire Properties of Polyvinyl Chloride
Fire Properties of Polyvinyl Chloride Dr. Marcelo Hirschler, GBI International, Consultant of The Vinyl Institute | 2017 Fire Properties of Polyvinyl Chloride | 2 Polyvinyl Chloride (PVC, or vinyl) possesses excellent fire performance Properties . All organic polymers (whether they are plastics or natural materials like wood, cotton or rubber) are combustible: when sufficient heat is supplied to any organic polymer, it will thermally decompose, and its thermal decomposition products will burn. However, PVC will typically not burn once the source of heat or flame is removed. This results from PVC having chlorine in its base polymer weight and it is well known that chlorine is one of the few elements that confers good fire Properties to a polymer1,2. When polymers burn they give off gaseous products, which usually generate flames (most likely with light emission and soot).
communications raceways) and UL 2846 (for water distribution pipe). The fire source, two gas burners, ignites the sample from below with an 89 kW fire source. The results are presented in terms of flame spread index (FSI), calculated based on the area under the flame spread distance vs. time curve and, for smoke
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