ASTM D3294-22

Podrobné informácie

Označenie: ASTM D3294-22

Dátum vydania: 01.07.2022

Stránok: 6

Krajina: Americká technická norma

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Anotácia

This specification establishes the requirements and test methods for the material, dimensions, and workmanship, and the physical and electrical properties of molded sheet manufactured from polytetrafluoroethylene (PTFE) resin molding materials and molded basic shapes made from resin molding and extrusion materials. The sheet or molded basic shape shall be made from unpigmented PTFE and shall be free from foreign matters. Each of the samples shall undergo visual and dimensional inspection to verify their compliance with the standard requirements. The specimens shall conform to the following physical and electrical property requirements: tensile strength; elongation; dielectric strength; specific gravity; porosity; and melting point. Examination for internal defects shall also be conducted to ensure that the specimens are free from microscopic cracks, voids, inclusions, and other surface defects that might affect the serviceability of the materials.


Keywords:
fluorocarbon polymer, fluoropolymers, granular PTFE, polytetrafluoroethylene, PTFE, PTFE basic shapes,, ICS Number Code 83.140.99 (Other rubber and plastic products)