The insoluble matter is generally considered to be acid-insoluble silica and silicates, carbides, alumina, and clays. The methods are applicable to lubricant-free powders. ISO 4496 specifies apparatus and reagents, sampling, procedure, expression of results and test report.
WITHDRAWN
EN 24496:1993
99.60
Withdrawal effective
Aug 9, 2017
PUBLISHED
EN ISO 4496:2017