GB/T 2988-2004 High alumina brick

GB 2988-1987

GB/T 2988-2012 High alumina bricks

GB/T 2997-2000 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products GB/T 6900.4-1986 Fireclay and high-alumina refractories—Determination of aluminium oxide content—EDTA volumetric method GB/T 10324 GB/T 10325-2001 Shaped refractory products—Sampling and acceptance testing GB/T 10326-2001 Refractory products—Inspections of dimension appearance and section GB/T 16546-1996 Shaped refractory products—Packing, marking, transportation and storage YB/T 370-1995 Test method for refractoriness under load of refractory products(non-differential,with rising temperature) GB/T 2992-1998 Dimensions of general bricks GB/T 2992.1-2011 Dimensions of refractory bricks— Part 1:Specification for general bricks GB/T 2992.2-2014 Dimensions of refractory bricks—Part 2:Terminology for shapes and brickworks of refractory bricks GB/T 5072-2008 Refractories—Determination of cold compressive strength GB/T 5072-2023 Refractory products—Determination of cold compressive strength GB/T 5072.1-1998 Dense, shaped refractory products—Determination of cold compressive strength—Part 1:Referee test without packing GB/T 5072.2-2004 Dense shaped refractory products—Determination of cold compressive strength—Part 2:Test with packing GB/T 5988-2004 Dense shaped refractory products—Determination of permanent changs in dimension on heating GB/T 5988-2007 Refractory products—Determination of permanent change in dimension on heating GB/T 5988-2022 Refractory products—Determination of permanent change in dimensions on heating GB/T 7321-2004 Sample preparation for testing of shaped refractory products GB/T 7321-2017 Sample preparation for testing of shaped refractory products