Refractory testing range
Various refractory raw materials, dense shaped refractory products, shaped thermal insulation refractory products, unshaped refractory materials, fireproof materials, refractory fibers and thermal insulation products, mainly including the following products:
Refractory brick: high alumina refractory brick, silica refractory brick and clay refractory brick
Refractory mud: Clay refractory mud, high alumina refractory mud, silica refractory mud and refractory castable
Refractory concrete: refractory slurry, hydraulic, fire and pneumatic refractory concrete
Diatomite material: diatomite refractory insulation brick, plate, pipe, diatomite powder
Other refractories: silica refractories, clay refractories, high alumina refractories, alkaline refractories, refractory cotton, sodium silicate acid resistant materials, Liuhuang corrosion-resistant materials, carbon refractories, acid resistant ceramic products, carbon products and special refractories, clay and high alumina refractory plastics, refractory fibers and thermal insulation products.
Refractory test items
1. Structural properties: porosity, bulk density, water absorption, air permeability, pore size distribution, particle bulk density, apparent porosity, true density, compressive strength, linear expansion rate, linear shrinkage rate, particle size, slag resistance, etc;
2. Mechanical properties: compressive strength, tensile strength, flexural strength, torsional strength, shear strength, impact strength, wear resistance, creep, bond strength, elastic modulus, hot compressibility, melt index, extrusion joint test, etc;
3. Thermal properties: thermal conductivity, coefficient of thermal expansion, specific heat, heat capacity, thermal conductivity, thermal emissivity, thermal shock stability, etc;
4. Fire rating: flame retardancy, ignitability, smoke toxicity, smoke density, heat release and smoke; Fire resistance, combustion performance, calorific value of combustion, fire resistance, high temperature resistance and fire rating test;
5. Service performance: fire resistance, load softening temperature, reheating line change, thermal shock resistance, slag resistance, acid resistance, alkali resistance, hydration resistance, CO erosion resistance, conductivity, oxidation resistance, permanent line change, thermal shock stability, plasticity index, chemical analysis, etc
Testing standard for refractory materials
GB / T 19666-2005 general rules for flame retardant and fire resistant wires and cables
GB / T 23293-2009 nitride bonded refractory products and their supporting refractory slurry
GB / T 23294-2009 abrasion resistant refractory
GB / T 4513.1-2015 amorphous refractories Part 1: introduction and classification
GB / T 4513.2-2017 amorphous refractories Part 2: sampling
GB / T 4513.3-2017 amorphous refractories Part 3: basic properties
GB / T 4513.4-2017 amorphous refractories Part 4: Determination of castable fluidity
GB / T 4513.5-2017 amorphous refractories Part 5: specimen preparation and pretreatment
GB / T 4513.6-2017 amorphous refractories Part 6: Determination of physical properties
GB / T 4513.7-2017 amorphous refractories Part 7: Determination of preforms
GB / T 4513.8-2017 amorphous refractories Part 8: Determination of special properties
GB / T 14983-2008 test method for alkali resistance of refractories
GB / T 17601-2008 test method for sulfuric acid resistance of refractories
GB / T 18301-2012 test method for normal temperature wear resistance of refractories
GB / T 21114-2007 X-ray fluorescence spectrochemical analysis of refractories - fused cast glass sheet method
GB / T 29650-2013 test method for carbon monoxide resistance of refractories
GB / T 2999-2016 test method for bulk density of refractory particles
GB / T 3001-2017 test method for flexural strength of refractories at room temperature
GB / T 3002-2017 test method for high temperature flexural strength of refractories
GB / T 34217-2017 test method for high temperature torsional strength of refractories
GB / T 34218-2017 test method for high temperature compressive strength of refractories
GB / T 34219-2017 test method for tensile strength of refractories at room temperature
GB / T 34220-2017 test method for high temperature tensile strength of refractories
GB / T 5071-2013 test method for true density of refractories
GB / T 5072-2008 test method for compressive strength of refractories at room temperature
GB / T 5073-2005 test method for compressive creep of refractories
GB / T 5988-2007 test method for permanent linear change of refractory materials after heating
GB / T 5989-2008 test method for softening temperature of refractories under load differential temperature rise method
GB / T 5990-2006 test method for thermal conductivity of refractories (hot wire method)
GB / T 7320-2008 test method for thermal expansion of refractories
GB / T 7320-2018 test method for thermal expansion of refractories
GB / T 7322-2017 test method for fire resistance of refractories
GB / T 3007-2017 test method for water content of refractories
GB / T 8931-2007 test method for slag resistance of refractories
GB / T 30873-2014 test method for thermal shock resistance of refractories
GB / T 34175-2017 determination of sulfur content in refractories
GB / T 32177-2015 determination of B2O3 in refractories
GB / T 30758-2014 test method for dynamic Young's modulus of refractories (pulse excitation method)
GB / T 34186-2017 test method for dynamic Young's modulus of refractories at high temperature (pulse excitation method)
GB / T 34333-2017 analysis method of refractory materials by inductively coupled plasma atomic emission spectrometry (ICP-AES)
GB / T 36133-2018 test method for thermal conductivity of refractories (platinum resistance thermometer method)
GB / T 32179-2015 General requirements for chemical analysis of refractories by wet method, atomic absorption spectrometry (AAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES)
GB / T 32178-2015 spectrophotometric determination of hexavalent chromium in chromium containing refractories
GB / T 32283-2015 test method for gas corrosion resistance of refractories for kiln upper part
GB / T 35172-2017 test method for corrosion resistance of refractory materials for cement kilns to combustibles after domestic waste pretreatment
GB / T 34176-2017 method for chemical analysis of divalent and trivalent iron ions in refractories by o-phenanthroline Spectrophotometry
GB / T 36134-2018 test method for burst resistance of amorphous refractories
GB / T 5070-2015 methods for chemical analysis of chromium containing refractories
GB / T 4984-2007 methods for chemical analysis of zirconium containing refractories
GB / T 5069-2015 methods for chemical analysis of magnesia alumina refractories
GB / T 6900-2016 methods for chemical analysis of alumina silica refractories
GB / T 6901-2017 chemical analysis method for silica refractories
GB / T 16555-2017 chemical analysis methods for refractories containing carbon, silicon carbide and nitride
