This standard specifies the test method for the air permeability of dense shaped refractory products. The air permeability of monolithic refractory materials can be measured with reference to this standard.
GB/T 3000-2016 Referenced Document
GB/T 18930 Terminology for refractories*, 2020-06-02 Update
GB/T 21389 Vernier,dial and digital display calipers
GB/T 3000-2016 history
2016GB/T 3000-2016 Dense shaped refractory products.Determination of permeability to gases
1999GB/T 3000-1999 Dense shaped refractory products--Determination of permeability to gases