Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:1 m.t.
Supply Capability:100000 m.t./month
Refractory Brick for Steel/Cement/Glass Making Furnaces
Refractory Brick for Steel/Cement/Glass Making Furnaces have passed the ISO international certified, are made of high pure material, fired at high temperature by advanced technology, with the advantages of high strength, high compression resistance, good thermal shock resistance, good performance in high temperature, good thermal conductivity, good erosion resistance and so on. Refractory Brick widely be used for linings of furnace in industries.
Data of Refractory Brick
Item | Behaviors | |||
AZS-33# ER 1681 | AZS-36# ER 1685 | AZS-41# ER 1711 | ||
Chemical Composition | Al2O3 | ≥50.00 | ≥49.00 | ≥45.00 |
ZrO2 | ≥32.50 | ≥35.50 | ≥40.50 | |
SiO2 | ≤15.50 | ≤13.50 | ≤13.00 | |
Na2O+K2O | ≤1.30 | ≤1.35 | ≤1.30 | |
Bulk density g/cm3 | ≥3.75 | ≥3.85 | ≥4.00 | |
Apparent Porosity % | ≤1.2 | ≤1.0 | ≤1.2 | |
Cold Crushing Strength Mpa | ≥300 | ≥300 | ≥300 | |
Exudation Temperature of Glass Phase | ≥1400 | ≥1400 | ≥1410 | |
Bubble Separation Ratio(1300°C×10h) | ≤1.2 | ≤1.0 | ≤1.0 | |
Anti-corrosion rate of glass liquid 1500°C×36h (mm/24h)% | ≤1.4 | ≤1.3 | ≤1.2 | |
--Apparent density (g/cm3) | PT(RN RC N) | ≥3.50 | ≥3.50 | ≥3.70 |
ZWS(RR EVF EC ENC) | ≥3.65 | ≥3.70 | ≥3.90 | |
WS( RT VF EPIC FVP DCL) | ≥3.75 | ≥3.8 | ≥4.00 | |
Features of Refractory Brick
1.Low heat storage and low thermal conductivity;
2.High compression strength;
3.Non–fragile materials and good toughness;
4.Accurate dimension and good palneness;
5.Structure homogeneity and easy machining;
6.Easy to install
7.Continual production, even fiber with stable property;
8.Excellent heat stability and thermal shock resistance
Application of Refractory Brick
1.Cement building industry, kiln back lining-thermal insulation;
2.Ceramic industry-lining of various kilns for thermal insulation;
3.Petrochemical and metallurgy industries- back linings, wall linings, and linings-thremal insulation;
4. Glass kiln lining and back lining thermal insulation;
5.Heat treatment furnace kiln back lining thermal insulation;
6. Aluminium factories-reduction cell firebricks back linings;
7.High temperature reaction, heating device-wall lining and back linings
