Knoop microhardness of steel

Descrição detalhada : This Standard Reference Material (SRM) is intended for use as a primary standard in calibrating Knoop-type microhardness testers and is certified for mean Knoop hardness values at a load of 4.90 N (0.500 kgf). A unit of SRM 2828 consists of a steel block, approximately 3.2 cm in diameter and 1 cm in height. For more information, please refer to the COA and SDS.SRM 2828_cert SRM 2828 _SDS
Armazenamento : +15°C to +25°C
Embalagem : 1X1EA