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Refractory bricks and refractory cements

Quantity:
  • CHENSHI
  • 2000 Metric Ton/Metric Tons per Month
  • Tianjin/shanghai/Qingdao
  • 1 Metric Ton/Metric Tons
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Refractory bricks have many kinds, including fireclay refractory bricks, alumina bricks, silica refractory bricks, AZS refractory bricks Alumina-Zirconia-Silica bricks and etc.
Here below is the specification of fireclay refractory bricks and AZS refractory bricks. If you need other bricks specification please send email to us.
Fireclay refractory bricks:
Item Fireclay Brick
SK32 SK34
Al2O3 (%) ≥ 38 42
Refractoriness (°C) ≥ 1670 1730
Refractoriness under Load (°C) ≥ 1250 1300
Linear Change (%) (2hour) 1350 °C 1350 °C
-0.5 -0.5
Porosity (%) ≤ 26 26
Cold Crushing Strength, MPa ≥ 15 20
AZS refractory bricks :(Fused cast Alumina-Zirconia-Silica bricks refractory bricks)
Item AZS-41 AZS-36
ZrO2 (%) ≥ 40-41 35-36
SiO2 (%) ≤ 12.5 14
Na2O ≤ 1.2 1.8
Fe2O3 0.15 0.15
TiO2 0.10 0.10
B.D. (g/cm3) ≥ 4.12 3.98
C.C.S (Mpa) ≥ 350 350
Linear Thermal Expansion (%) At 1000°C 0.80 0.80
At 1500°C 0.80 0.80
Thermal Conductivity At 600°C 3.3 3.4
At 1500°C 3.5 3.6
Electrical Resistance At 1000°C 400 200
At 1500°C 90 55
Glass Phase Exudation(%)1500°C 16hour ≤2 ≤3
 
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