CPC Subgroup Additional Only
C09K 2200/0637 Fluoro-containing polymers, e.g. PTFE
Full Title
Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers > Macromolecular organic compounds, e.g. prepolymers > obtained by reactions only involving carbon-to-carbon unsaturated bonds > Halogen-containing polymers, e.g. PVC > Fluoro-containing polymers, e.g. PTFE