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NYC Fire Code

§ 3203.7.2 — § 3203.7.2

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What is NYC FC § 3203.7.2?

Quick Answer

This section defines Group B plastics, which are materials with a specific heat of combustion and burning rate that falls between ordinary combustibles and Group A plastics. Examples include cellulosics, chloroprene rubber, fluoroplastics, natural rubber, nylon, PVC, and silicone rubber. Applies to manufacturers and users of these materials in construction and design.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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3203.7.2 Group B plastics.

FC § 3203.7.2

Group B plastics are plastic materials having a heat of combustion and a burning rate higher than that of ordinary combustibles, but not as high as those of Group A plastics. Examples of Group B plastics include the following: Cellulosics (cellulose acetate, cellulose acetate butyrate, ethyl cellulose) Chloroprene rubber Fluoroplastics (ECTFE, ethylene-chlorotrifluoroethylene copolymer; ETFE, ethylene-tetrafluoroethylene copolymer; FEP, fluorinated ethylene-propylene copolymer) Natural rubber (nonexpanded) Nylon (Nylon 6, Nylon 6/6) PVC (polyvinyl chloride more than 5-percent, but not more than 15-percent plasticized) Silicone rubber

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