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Normas ASTM

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ASTM

ASTM B540 - 21

En Vigor
2021-11-01
Standard Specification for Palladium Electrical Contact Alloy
ASTM

ASTM F3034 - 21

En Vigor
2021-11-15
Standard Specification for Billets made by Winding Molten Extruded Stress-Rated High Density Polyethylene (HDPE)
ASTM

ASTM D2843 - 22

En Vigor
2022-03-15
Standard Test Method for Density of Smoke from the Burning or Decomposition of Plastics
ASTM

ASTM D3380 - 22

En Vigor
2022-03-15
Standard Test Method for Relative Permittivity (Dielectric Constant) and Dissipation Factor of Polymer-Based Microwave Circuit Substrates