GB/T 2994-2021 Active National standards

GB/T 2994-2021 High alumina refractory mortars

GB/T 2994-2021 High alumina refractory mortars

Publish Date: 2021-08-20 Implement Date: 2022-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 2994-2021
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nUnshaped refractory materials
ICS Name: Fire-resistant materials
Publish Date: 2021-08-20
Implement Date: 2022-03-01
Pages: 5 pages

Scope

This document specifies the terms and definitions, classification and grades, technical requirements, test methods, quality assessment procedures, packaging, marking, transportation, storage, and quality certificates for high-alumina refractory mortars.
This document is applicable to refractory mortars with an alumina content of greater than or equal to 50% used for the masonry of high-alumina refractory bricks and corundum bricks.

Development Information

Word Count: 10 Thousand words Pages: 5 pages

Replace the following standards

Referenced Standards

GB/T 4513.2-2017 Monolithic(unshaped) refractory products—Part 2:Sampling for testing 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 15545-1995 Unshaped refractory—Packing, marking, transportation and storage GB/T 15545-2020 General rules for packing,marking,transport,storage and quality certificates of unshaped refractory 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 GB/T 22459.1-2008 Refractory mortars—Part 1:Determination of consistency using the penetrating cone method GB/T 22459.1-2022 Refractory mortars—Part 1:Determination of consistency using the penetrating cone method GB/T 22459.2-2008 Refractory mortars—Part 2:Determination of consistency using the reciprocating flow table method GB/T 22459.2-2022 Refractory mortars—Part 2:Determination of consistency using the reciprocating flow table method GB/T 22459.3-2008 Refractory mortars—Part 3:Determination of joint stability GB/T 22459.3-2021 Refractory mortars—Part 3:Determination of joint stability GB/T 22459.4-2008 Refractory mortars—Part 4:Determination of flexural bonding strength GB/T 22459.4-2022 Refractory mortars—Part 4:Determination of flexural bonding strength GB/T 22459.5-2008 Refractory mortars—Part 5:Determination of grain size distribution(sieve analysis) GB/T 22459.5-2022 Refractory mortars—Part 5:Determination of grain size distribution(sieve analysis) GB/T 22459.7-2008 Refractory mortars—Part 7:Determination of properties at elevated temperatures GB/T 22459.7-2019 Refractory mortars—Part 7:Determination of other properties YB/T 370-1995 Test method for refractoriness under load of refractory products(non-differential,with rising temperature) YB/T 370-2016 The method of testing the weight-bearing softening temperature of refractory materials (non-differential-temperature-rise method) GB/T 6900-2025 Chemical analysis of alumino-silicate refractories

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