This standard specifies the principle, equipment, samples, test procedures, result calculation and test report of the test method for the permanent heating curve change of refractory materials. This standard is applicable to the determination of the permanent heating curve change of refractory materials.
GB/T 5988-2007 Referenced Document
GB/T 10325 "Shaped refractory products—Rule of acceptance,sampling and inspection"
GB/T 17617 Rule of sampling and inspection for refractory raw materials*, 2018-02-06 Update
GB/T 18930 Terminology for refractories*, 2020-06-02 Update
GB/T 2997 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products*, 2015-12-10 Update
GB/T 7321 Sample preparation for testing of shaped refractory products*, 2017-09-07 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*, 2008-07-16 Update
GB/T 5988-2007 history
2022GB/T 5988-2022 Refractory products—Determination of permanent change in dimensions on heating
2007GB/T 5988-2007 Refractory products-Determination of permanent change in dimension on heating
2004GB/T 5988-2004 Dense shaped refractory products-Determination of permanent changs in dimension on heating
1986GB/T 5988-1986 Dense shaped refractory products--Test method of linear changes on reheating
GB/T 5988-2007 Refractory products-Determination of permanent change in dimension on heating has been changed from GB/T 3997.1-1998 Shaped insulating refractory products--Determination of permanent change in dimension on heating.