GB/T 3780.21-2025

Carbon black—Part 21Determination of sieve residue—Water washing method

NORM herausgegeben am 1.8.2025

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The information about the standard:

Designation standards: GB/T 3780.21-2025
Note: Execute Date: february 2026
Publication date standards: 1.8.2025
Country: Chinese technical standard
Kategorie: Technische Normen GB