D TEXTILES; PAPER
D10 INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
D10B INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
2321/00 Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
D10B2321/04 polymers of halogenated hydrocarbons
D10B2321/042 polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]