Corundum-mullite Serial Products for ceramics and petrochemical trades->Fireproof Series

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Corundum-mullite Serial Products for ceramics and petrochemical trades

Category :

Architecture and construction->Thermal insulation materials->Fireproof Series

Corundum-mullite Serial Products for ceramics and petrochemical trades

Product Specification

Model No:	04

Country	CN

Product Detail

Character:
Light heat insulation refractory is of high purity, good mechanical performance, low conductivity factor, direct contact with flame, good scaling and ht resistances, can be used both as heat insulating lining of ht industrial kilns and as working liner of other ht industrial kilns so as to decrease weight of lining up block and to save energy.
Application:
Petrochemical Trade: Carbon black furnace , gasification furnace, gas-making furnace , ethene pyrolyzer , one stage converter, hydrogen furnace ,etc.
Ceramics Trade: Tunnel kiln, bucket kiln, roll kiln, shuttle kiln, top-hat kiln, mesh-belt tunnel kiln , etc.

Strong Corundum-mullite Serial Products are of high purity, high content of principal crystalline phase (corundum or mullite), HT-,washing-and corrosion-resistances, hence good application effect in HT kilns in petrochemical, building material, etc. trades.

Light Corundum-mullite Serial Products

1. JM26:
Max service temperature: 1430
Al2O3 (%)>49
SiO2 (%)<48
Fe2O3 (%)<1.0
bulk density (g/cm3) :0.8
Cold crushing strength (MP):3.4
Anti-fold strength (Mpa):1.2
Permanent linear change on reheating<0.4
Thermal conductivivity :0.28 ; 0.31

2. JM28:
Max service temperature: 1540
Al2O3 (%)>52
SiO2 (%)<45
Fe2O3 (%)< 0.7
bulk density (g/cm3) :0.9-1.0
Cold crushing strength (MP):4.0
Anti-fold strength (Mpa):1.3
Permanent linear change on reheating<0.4
Thermal conductivivity : 0.32;0.34

3. JM30-1

Max service temperature: 1550
Al2O3 (%)>61
SiO2 (%)<36
Fe2O3 (%)<0.6
bulk density (g/cm3) :0.9-1.0
Cold crushing strength (MP):4.0
Anti-fold strength (Mpa):2.1
Permanent linear change on reheating<0.38
Thermal conductivivity : 0.35;0.40

4. JM30-2

Max service temperature: 1550
Al2O3 (%)>65
SiO2 (%)<32
Fe2O3 (%)< 0.7
bulk density (g/cm3) :1.0-1.3
Cold crushing strength (MP):7.0
Anti-fold strength (Mpa):2.8
Permanent linear change on reheating:<0.3
Thermal conductivivity : 0.4-0.6

strong Corundum-mullite Serial Products

1. Mullite Brick:
Max service temperature : 1600
Al2O3 (%)>70
SiO2 (%)< 25
Fe2O3 (%)<0.5
bulk density (g/cm3):2.55
Apparent Porosity (%):17
Cold crushing strength (Mpa) :90
Refractoriness under load :1630

2. Mullite-corundum brick:
Max service temperature :1700
Al2O3 (%)>80
SiO2 (%)<18
Fe2O3 (%)<0.5
bulk density (g/cm3):2.70
Apparent Porosity (%):19
Cold crushing strength (Mpa) :70
Refractoriness under load :1700

3. Corundum-mullite Brick
Max service temperature : 1750
Al2O3 (%)>90
SiO2 (%)< 8
Fe2O3 (%)< 0.3
bulk density (g/cm3):2.90
Apparent Porosity (%):19
Cold crushing strength (Mpa) :70
Refractoriness under load :1700

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