
Extenders - Specifications and methods of test - Part 21: Silica sand (unground natural quartz) (ISO 3262-21:2023)
STANDARD published on 1.9.2023
Designation standards: STN EN ISO 3262-21
Classification mark: 670900
Catalog number: 137247
Publication date standards: 1.9.2023
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Category: Technical standards STN