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Standard

ASTM D3308:12(2022)

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This specification covers four types and two grades of skived tapes in specified thicknesses manufactured by skiving from PTFE resin molding and extrusion materials. The four types covered here are: Type I (premium), normally used for exacting electrical, mechanical, or chemical applications; Type II (general purpose), for electrical, mechanical, and chemical applications not requiring premium material; Type III (commercial), for non-critical chemical, electrical, and mechanical applications; and Type IV (utility), having no electrical requirements, and with mechanical properties at lower level. Subsequently, all four types may be subdivided into Grade 1, which is made only from virgin resin, and Grade 2, which may be made using reprocessed resin, or a mixture of virgin and reprocessed resin. Appropriately sampled specimens shall be tested and conform accordingly to the following physical requirements: dimension (length, width, and thickness); melting point; tensile properties (tensile strength and elongation at break); specific gravity; dielectric strength; and non-dielectric strength failure mode electrical flaws.

Specifiche dei prodotti

  • Standard da ASTM
  • Pubblicato:
  • Edizione: 12(2022)
  • Tipo di documento: IS
  • Pagine
  • ICS 83.140.10
  • National Committee American Society for Testing and Materials (ASTM) ,Philadelphia, USA
  • Publisher ASTM
  • Distributor ASTM

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