55% Alumina Kiln Refractory Bricks Red Heat proof and Thermal Shock Resistance

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Material: Alumina Bauxite Color: Red
Certificate: ISO9001 CE SGS

55% Alumina Kiln Refractory Bricks Red Heat-proof and Thermal Shock Resistance Bricks
 
Competitive Advantages:
 
1 Competitive Price. Make the products competitive in your market.
2 Abundant Experience. Prevent cracks and twist in bricks.
3 Different Moulds. Save mould fees for you.
4 Strict Quality Control. Meet clients’ quality requirement.
5 Large stocks. Guarantee prompt delivery.
6 Professional Packing. Avoid damage and secure the goods in transportation
 
Applications:
 
1. Carbon bake furnaces in the aluminum industry
2. Preheat zones and cyclones of rotary cement kilns
3. Insulation for glass tanks
 
 
Technical data:
 

Item
 

AL-30 AL-34 AL-38 AL-45 AL-55

AL2O3 % (min)
 

30 34 38 45 55

Fe2O3% (max)
 

3 3 2.8 2.8 2.6

Refractoriness
 

1670°C 1710°C 1750°C 1770°C 1770°C
Refractoriness under load, 0.2MPa, (°C) 1250 1300 1350 1450 1470

Apparent porosity (%)
 

22-26 22-26 20-24 20-22 20

Bulk density (g/cm³)
 

1.9-2.1 1.95-2.1 2.1-2.2 2.15-2.22 2.2-2.35

Cold crushing strength (MPa)
 

20 25 30 35 40

Thermal expansion at 1000°C (%)
 

0.8 0.6 0.6 0.5 0.4

 
55% Alumina Kiln Refractory Bricks Red Heat proof and Thermal Shock Resistance
 
55% Alumina Kiln Refractory Bricks Red Heat proof and Thermal Shock Resistance
 

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