3203.7.3 Group C plastics.
FC § 3203.7.3
Group C plastics are plastic materials having a heat of combustion and a burning rate similar to those of ordinary combustibles. Examples of Group C plastics include the following: Fluoroplastics (PCTFE, polychlorotrifluoroethylene; PTFE, polytetrafluoroethylene) Melamine (melamine formaldehyde) Phenol PVC (polyvinyl chloride, rigid or plasticized less than 5 percent, e.g., pipe, pipe fittings) PVDC (polyvinylidene chloride) PVDF (polyvinylidene fluoride) PVF (polyvinyl fluoride) Urea (urea formaldehyde)













