Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 8900-1982
Scope
This standard specifies the method for determining the aging degree of foundry sand. Note: The aging degree of casting sand is the degree of reduction in the bonding force of the clay components in the casting sand.
CNS 8900-1982 history
1982CNS 8900-1982 Method for Determining Deterioration of Foundry Sand