High Alumina Refractory Cement for Furnaces

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
2000 m.t./month

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Product Description:

High Alumina Refractory Cement for Furnaces is manufactured through fusing high quality raw magnesite in electric arc furnace with the characteristics of big crystal, dense structure and strong corrosion resistance.  As an excellent basic refractory raw material, its MgO content is between 87 – 98%.

 

High Alumina Refractory Cement for Furnaces (Big Crystal) whose MgO content is between 97 – 99% is widely used in refractory industry. Meanwhile, it is also an excellent high-temperature endurable insulating material. 

 

Specifications of  High Alumina Refractory Cement

 

ItemGrade
High Alumina BrickClay BrickPhosphoric Acid Dipping Clay Brick
GL-65GL-55GL-48ZGN-42ZGN-42
Chemical Composition(%)≥ Al2O3 655548424241-45
Fe2O3 2.02.02.01.61.71.8
P2O5 ---------------7
Refractoriness℃17901770175017501750---
Apparent Porosity(%)≤191918151614
Alkali Resistance(Strength Degradation)%≤------------------
0.2 MPa Refractoriness Under Load ℃≥150014801450145014301450
CCS (MPa)≥58.8494958.84960
Dead Burnt Linear Change(%)≤1450℃*2h0/-0.20/-0.20/-0.3

0/-0.2

1500℃*2h

0/-0.2

 

Features of High Alumina Refractory Cement

High refractoriness

Good spalling resistance and wear resistance.

Good corrosion resistance.

Good thermal shock resistance.

High mechanical strength.

High-temperature creep rate is low.

 

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