ASTM D5675-13(2023)

Detailinformationen

Bezeichnung: ASTM D5675-13(2023)

Ausgabedatum: 01.11.2023

Seiten: 4

Land: Amerikanische technische Norm

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Annotation

This classification system provides a method of adequately identifying PTFE micropowders using a system consistent with that also of another specific classification. These powders are sometimes known as lubricant powders which usually have a much smaller particle size than those used for molding or extrusion. The test methods and properties included are those required to identify and specify the various types of fluoropolymer micropowders. This classification covers two groups of fluoropolymer micropowders. Fluoropolymer micropowders are classified into groups according to their base fluoropolymer. These groups are further subdivided into classes and grades. Different tests shall be performed in order to determine the following properties of the micropowders: melting characteristics, melt flow rate, specific gravity, water content, particle size, surface area, and bulk density.


Keywords:
fluorinated ethylene propylene, FEP, fluoropolymer, line callout, lubricant powder, micronized powder, polytetrafluoroethylene, PTFE,, ICS Number Code 83.080.01 (Plastics in general)