Silica brick for coke oven

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Qingdao
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Min Order Qty:
100 PCS
Supply Capability:
50000 PCS/month

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Specifications

The silica bricks for HBS 
Silica fire brick for coke oven 
High density silica fire brick 
Semi-silics fire brick for coke oven

 

1.Silica brick manufature. 
2.High refractoriness under load. 
3.High heat conductivity. 
4.Good thermal shock resistance.

 

Tech Data

                                                          Silica brick for glass furnace

Item:

GF-96A

GF-96B

GF-95A

GF-95B

SiO 2

≥96

≥96

≥95

≥95

Fe 2 O 3

≤0.8

≤1.0

≤1.2

≤1.2

Apparent porosity %

≤22(24)

Cold Crushing Strength MPa

Brick below20KG

≥35(30)

Brick ≥20KG

≥30(25)

Refractoriness under load ºC

≥1680

≥1670

≥1660

≥1650

True density g/cm ³

≤2.34

≤2.34

≤2.35

≤2.35

                             

                                                        Silica brick for coke oven

Item:

CO-94A

CO-94B

SiO2: %

≥94

≥94

Al 2 O 3 : %

≤ 1.5

≤ 1.5

Fe2O3: %

≤ 1.5

≤ 1.5

Refractoriness under load 0.2Mpa

≥ 1650ºC

≥ 1650ºC

Apparent porosity: %

≤ 22

≤ 24

Bulk density: g/cm ³

≤ 2.34

≤ 2.35

Cold crushing strength: MPa

≥30

≥25

Permanent linear change % (1450ºC ×2h)

0~0.2

0~0.2

Thermal expansion(1000ºC)

≤1.28

≤1.30

                         

                                                       Silica brick for hot blast furnace

Item

HBF-95

SiO2

≥ 95

Al2O3

≤ 1.0

Fe2O3

≤1.3

Apparent porosity %

≤22(24)

Cold crushing strength MPa

≥45(35)

Remaining quarts %

≤1.0

Refractoriness under load ºC

≥1650

Creep(0.2Mpa ×1550ºC×50h) %

≤0.8

Thermal expansion coefficient (1000ºC) %

≤1.25

Apparent density g/cm ³

≤2.32

 

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