This standard specifies the method for the determination of ash content in investment casting mold materials. This standard is applicable to the determination of the ash content of various investment casting mold materials.
GB/T 14235.3-1993 history
2018GB/T 14235.1-2018 Low temperature pattern wax material for investment casting—Part 1: Testing methods for physical properties
1993GB/T 14235.3-1993 Testing method for ash content of pattern materials in investment casting
GB/T 14235.3-1993 Testing method for ash content of pattern materials in investment casting was changed to GB/T 14235.1-2018 Low temperature pattern wax material for investment casting—Part 1: Testing methods for physical properties.