Fireclay Refractory Brick

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Pack. & Delivery:

wooden case

The product have good refractoriness under load and thermal shock stability,which have been applied in over ten hot blast stove at Laiwu Steel Corporation,Weifang Iron and Steel Group Corporation etc.
Typical technical specification:
Model:RN-42
AL2O3:Min42%
Fe2O3:Max1.7%
Refractoriness:Min1750 C
Bulk density:Min2.15g/cm3
Apparent porosity:Max24%
Cold crushing strength:Min30MPa
0.20MPa RUL:Min1400C
Permanent Linear Change at 1450C*2h:-0.3-0%
Thermal shock resistance(1100C water cooling):Min20cycles

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