GB/T 3995-2014 Insulating high alumina refractory bricks

GB/T 3995-2006 Shaped insulating refractory products—High alumina bricks

GB/T 2992.1-2011 Dimensions of refractory bricks— Part 1:Specification for general bricks GB/T 2998-2001 Shaped insulating refractory products—Determination of bulk density and true porosity GB/T 2998-2015 Test method for bulk density and true porosity of shaped insulating refractory products 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 6900-2006 Chemical analysis of alumina-silica refractories GB/T 6900-2016 Chemical analysis of alumina-silica refractories GB/T 6900.1-1986 Fireclay and high-alumina refractories—Determination of loss content on ignition—Gravimetric method GB/T 6900.2-1986 Fireclay and high-alumina refractories—Determination of silicon dioxide content—Gravimetric-molybdenum blue photometric method GB/T 6900.3-1986 Fireclay and high-alumina refractories—Determination of iron oxide content—o-Phenanthroline photometric method GB/T 6900.4-1986 Fireclay and high-alumina refractories—Determination of aluminium oxide content—EDTA volumetric method GB/T 6900.5-1986 Fireclay and high-alumina refractories—Determination of titanium dioxide content—Hydrogen peroxide photometric method GB/T 6900.6-1986 Fireclay and high-alumina refractories—Determination of calcium oxide content—EDTA volumetric method GB/T 6900.7-1986 Fireclay and high-alumina refractories—Determination of magnesium oxide content—Xylidyl blue Ⅰ-CTAB photometric method GB/T 6900.8-1986 Fireclay and high-alumina refractories—Determination of calcium oxide and magnesium oxide content—Atomic absorption spectrophotometric method GB/T 6900.9-1986 Fireclay and high-alumina refractories—Determination of potassium oxide and sodium oxide content—Atomic absorption spectrophotometric method GB/T 6900.10-1986 Fireclay and high-alumina refractories—Determination of manganese oxide content—Ammonium persulfate photometric method GB/T 6900.11-1986 Fireclay and high-alumina refractories—Determination of phosphorous pentoxide content—Molybdenum blue photometric method GB/T 7321-2004 Sample preparation for testing of shaped refractory products GB/T 7321-2017 Sample preparation for testing of shaped refractory products GB/T 10325-2001 Shaped refractory products—Sampling and acceptance testing GB/T 10325-2012 Shaped refractory products—Rule of acceptance,sampling and inspection GB/T 10326-2001 Refractory products—Inspections of dimension appearance and section GB/T 10326-2016 Shaped refractory products inspections of dimension, appearance and section GB/T 16546-1996 Shaped refractory products—Packing, marking, transportation and storage GB/T 16546-2020 General rules for packing,marking,transport,storage and quality certificates of shaped refractory GB/T 16763-1997 Shaped insulating refractory products-classification GB/T 16763-2012 Shaped insulating refractory products—Classification GB/T 16763-2023 Classification of shaped insulating refractory products GB/T 21114-2007 Chemical analysis of refractory products by XRF—Fused cast bead method GB/T 21114-2019 Refractories—Chemical analysis by X-ray fluorescence(XRF)—Fused cast-bead method YB/T 4130-2005 Refractory materials-Determination of thermal conductivity (Calorimeter) GB/T 6900-2025 Chemical analysis of alumino-silicate refractories YB/T 4130-2026 Abrasion-resistant Materials Thermal Conductivity Test Method (Water Flow Plate Method)