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  • Product Name: Low Creep Andalusite Refractor...
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Low Creep Andalusite Refractory Bricks

Size: International standards

Working Temperature °C: 1810

Application: Large and medium blast furnace configuration hot air stove

Description

Low creep andalusite refractory bricks based on mullite and andalusite as the main raw material, molding by high pressure, high temperature firing.

Product Characteristics:

Low impurity content,low porosity, small bulk density

High temperature conditions to maintain the strength

High temperature conditions volume keep it steady

Good thermal shock resistance, small creep rate

Performance parameters:

Item LHZ-150 LHZ-145 LHZ-140
Al2O3,%, ≥
Fe2O3,%, ≤ 1 1 1.3
Refractoriness℃ 1810 1810 1790
Apparent porosity %,AP ≤ 19(21) 19(21) 19(21)
Density g/cm3,BD ≥ 2.6 2.5 2.5
Crushing strength MPa, CCS  ≥ 65(55) 65(55) 70(60)
0.2MPaLoad softening temperature ℃ RUL ≥ 1650 1650 1630
Rebirth line change rate (1500℃×2h),% 0~+0.5 0~+0.5 0~+0.5
Thermal shock stability ≥ 30 25 25
Creep rate %,   ≤ 0.8 0.8 0.8
(1500℃×50h) (1450℃×50h) (1400℃×50h)


Application Areas:

Low Creep Andalusite Refractory Bricks are suitable for Large and medium blast furnace configuration hot air stove.

high alumina fire brick

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