This standard is applicable to the determination of apparent porosity, water absorption and bulk density of ceramic cores that do not react with water.
HB 5353.1-1986 history
2004HB 5353.1-2004 Test method for properties of investment casting ceramic core-Part 1:Determination of apparent porosity,water absorption and bulk-density
1986HB 5353.1-1986 Method for determination of apparent porosity, water absorption and bulk density of investment casting ceramic core