This standard specifies the terms and definitions, principles, equipment, samples, test procedures, result calculations and test reports of refractory true density test methods. This standard applies to the determination of the true density of refractory products, monolithic refractory materials and refractory raw materials.
GB/T 5071-2013 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 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*, 2022-10-12 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 5071-2013 history
2013GB/T 5071-2013 Refractory materials.Determination of true density
1997GB/T 5071-1997 Refractory materials--Determination of true density