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High Alumina Basic Refractory Bricks & High Fire Safe Temperature Heat Proof Bricks

Categories Furnace Refractory Bricks
Brand Name: SEEC
Model Number: electric arc furnace preheating furnace LD BOF BF
Certification: ISO
Place of Origin: China
Delivery Time: 1-3months
Packaging Details: Standard international package
MOQ: 100 pcs
Type: Brick HA-60
material: high Alumina
application: preheating furnace, electric arc furnace, LD, BOF, BF
Condition: Brand new
Shape: As required
Size: As requierd
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High Alumina Basic Refractory Bricks & High Fire Safe Temperature Heat Proof Bricks

furnace refractory bricks high Alumina Brick HA-60 fire brick refractory brick clay brick

Specifications

Refractory brick ISO certified producer Stable quality and good price.


We are an ISO certified manufacturer of refractory


Refractory brickwith ISO9001-2000certificate;


made of special grade bauxite clinker;


refractory brick for electric Refractory brick high Alumina Brick HA-60


Packaging & Delivery

Packaging Details

refractory brick package :on fumigated wooden pallet(tied with steel strip,plastic film around) or according to request

Delivery Time

refractory brick shipment as you required


ItemStandard
Al2O3(%)≥60
SIO2(%)32
Fe2O3(%)≤1.7
Na2O+K2O(%)<2.3
Refractoriness1790
refractoriness under load 0.2mpa(°C)1450
Porosity(%)22
Bulk density(g/cm3)2.33
Cold cushing strength (mpa)≥50
Thermal expansion at 1000°C(%)≤0.3
Reheating shrinkingchange(%) 1500°CX24h-0.3

Refractory brick High Alumina Brick HA-70

ItemStandard
Al2O3(%)≥70
SIO2(%)22
Fe2O3(%)≤2.0
Na2O+K2O(%)<2.0
Refractoriness>1770
refractoriness under load 0.2mpa(°C)>1510
Porosity(%)<22
Bulk density(g/cm3)2.43-2.48
Cold cushing strength (mpa)≥50
Thermal expansion at 1000°C(%)≤0.3
Reheating shrinkingchange(%) 1500°CX24h-0.3

High Alumina Brick HA-75

ItemStandard
Al2O3(%)≥75
SIO2(%)20
Fe2O3(%)≤1.8
Na2O+K2O(%)<1.2
Refractoriness>1790
refractoriness under load 0.2mpa(°C)>1520
Porosity(%)<21
Bulk density(g/cm3)2.45-2.55
Cold cushing strength (mpa)≥54
Thermal shock resistant at 1100C(water)>10
Thermal expansion at 1000°C(%)≤0.3
Reheating shrinkingchange(%) 1500°CX24h-0.3

Refractory brick High Alumina Brick HA-80

ItemStandard
Al2O3(%)78-80
SIO2(%)≥18
Fe2O3(%)≤1.8
Refractoriness≥1790
refractoriness under load 0.2mpa(°C)≥1520
Porosity(%)20
Bulk density(g/cm3)2.55
Cold cushing strength (mpa)≥60
Thermal expansion at 1000°C(%)≤0.3
Reheating shrinking change(%) 1500°CX24h


Quality High Alumina Basic Refractory Bricks & High Fire Safe Temperature Heat Proof Bricks for sale
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