ASTM B 430 – 97 International standard

Standard Test Method for Particle Size Distribution of Refractory Metal Powders and Related Compounds by Turbidimetry1

This fashionable is issued beneath the fixed designation b 430; the quantity right away following the designation shows the 12 months of original adoption or, within the case of revision, the year of final revision. A range of in parentheses suggests the 12 months of remaining reapproval. A superscript epsilon (e) shows an article change for the reason that ultimate revision or reapproval.
This wellknown has been accepted for use through companies of the department of protection.

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You can also get  ASTM B 429 – 02 International standard

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