Ethylene polymer, chlorosulfonated. 177.2250 Filters, microporous polymeric. 177.2260 Filters, resin-bonded. Mineral reinforced nylon resins. Perfluorocarbon cured elastomers.
Phenolic resins in molded articles.
Polyester resins, cross-linked. 177.2430 Polyether resins, chlorinated. 177.2450 Polyamide-imide resins. 177.2490 Polyphenylene sulfide resins. 177.2500 Polyphenylene sulfone resins.