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Henan Cunse Refractory Co.,Ltd
Professional manufacturer on refractory over 20 years
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Alumina Bubble Brick for Heating Furnace

Henan Cunse Refractory Co.,Ltd
Henan Cunse Refractory Co.,Ltd
City: Zhengzhou
Province/State: Henan
Tel: 86-0371-65289001
Contact Person:
Claire

Alumina Bubble Brick for Heating Furnace

Place of Origin : Dengfeng
Brand Name : Cunse
Model Number : CH8501
Certification : ISO9001:2008
Price : USD1000
Packaging Details : In wooden pallet
Delivery Time : About 45-60 days
Payment Terms : 30% T/T in advance, 70% T/T before shipment
Supply Ability : 250,000 tons per year
MOQ : 5 tons
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Alumina Bubble Brick

CUNSE alumina bubble brick is made of alumina hollow ball as raw material, high-performance powder as additive, and organic material as the temporary binding agent, after mixing, drying, forming, firing at high temperature in shuttle kiln, the whole process is finished.

The quality of alumina bubble brick has reached or exceeded the level of similar products at home and abroad.

Features:
1. Excellent thermal shock resistance, low thermal conductivity and good performance of insulation.
2. High temperature resistance as Al2O3 content is≥85%.
3. Reduce furnace weight as there are amount of closed pores in alumina bubble brick.
4. Strong ability to resist erosion of gas and slag.
5. Direct contact with flame.

Application:
It is suitable for linings of heating furnace.

Technical Index:

Item Alumina Bubble Brick
CH-85 CH-90 CH-99
Al2O3 % ≥85 ≥90 ≥99
SiO2 % ≤15 ≤8 ≤0.2
Fe2O3 % ≤0.2 ≤0.2 ≤0.2
Maximum Service Temperature ℃ 1680 1700 1800
Bulk Density g/cm3 1.4-1.7 1.4-1.7 1.4-1.7
Cold Crushing Strength Mpa ≥12 ≥10 ≥9
Refractoriness Under Load (0.1Mpa, 0.6%) ℃ ≥1650 ≥1700 ≥1700
Permanent Linear Change (1600℃*3h) % ±0.3 ±0.3 ±0.3
Thermal Expansion Coefficient
(*10-6,room temperature-1300℃) % ~7.8 ~8.0 ~8.6
Thermal Conductivity Coefficient
( Average 800℃) w/m.k ≤0.6 ≤0.7 ≤1.5


Product Tags:

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hollow ball firebrick

      

high alumina bubble refractory brick

      
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