This standard specifies the definition, principle, equipment and materials, test procedure, result calculation, test error and test report of the measurement of bulk density, apparent porosity and true porosity of dense shaped refractory products.
GB/T 2997-2000 history
2015GB/T 2997-2015 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products
2000GB/T 2997-2000 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products