This Standard Reference Material (SRM) is a Type III portland cement intended primarily for the evaluation of methods for analysis of cements and materials of similar matrix. A unit of SRM 1887b consists of five vials, eachcontaining at least 4 g of portland cement ground to pass through a 75 mum (No. 200) sieve, and each sealed in a foil pouch. For more information, please refer to the COA and SDS.SRM 1887B_cert SRM 1887B _SDS
Legal Information: SRM is a registered trademark of National Institute of Standards and Technology