GOST 2409-1995 Refractories. Method for determination of bulk density apparent and true porosity, water absorbtion
GOST 24717-1994 Refractories and refractory raw materials. Marking, packing, storage and transportation
GOST 25706-1983 Magnifiers. Types, basic parameters. General technical requirements
GOST 25714-1983 Non-destructive control. Acoustic sound method of open porosity, apparent density, density and compression strength testing of refractory articles
GOST 2642.0-1986 Refractories and refractory raw materials. General requiremetns for methods of analysis
GOST 2642.4-1986 Refractory materials and products. Methods for the determination of aluminium oxide
GOST 2642.5-1986 Refractory materials and products. Methods for the determination of iron oxide
GOST 28833-1990 Defects of refractory products. Terms and definitions