Active standard | Published: 01/05/2023

ASTM D4895-18(2023)

Standard Specification for Polytetrafluoroethylene (PTFE) Resin Produced From Dispersion

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Detail information

Designation: ASTM D4895-18(2023)

Publication date: 01/05/2023

Pages: 14

Country: American technical standard

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Anotation

This specification covers dry-powder resins of polytetrafluoroethylene (PTFE) resin produced from dispersion. PTFE mixtures with additives are not covered in this specification. This specification covers type I and type II PTFE. The resins shall be tested for bulk density, particle size, water content, melting peak temperature, tensile strength, elongation at break, standard specific gravity, extrusion pressure, thermal instability index, and stretching void index. Specimen preparation, testing, inspection, and packaging shall be in accordance to the procedures indicated in this specification.

Keywords:
coagulated dispersion polytetrafluoroethylene, fluoropolymers, polytetrafluoroethylene, PTFE,, ICS Number Code 83.080.10 (Thermosetting materials)

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