Sillimanite Fire Brick For Glass

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Product Description:

Specifications

1.Resistance to corrosion and erosion;
2.Least contamination for molten glass;
3.Improve the productivityaa
4.Long life

Features:

The sillimanite brick is made of sillimanite minerals.After high temperature calcination,it become mullite and

dissociate silicon dioxide.Generally use high-temperature firing method and slurry casting method to produce.

1.Good thermal stability.

2.Strong resistance to chemical attack.

3.It is the first choice of stable material for glass forming.

Applications:

1.Widely used in glass furnace,such as regenerator arch.

2.Mainly used in the blast furnace.

3.

Sillimanite brick physiochemical index:

Item

Properties

Sillimanite

Andalusite

Cordierite and mullite

Pouring

sillimanite

LS-65

L-60

H-60

HS-55

SPCD-50

SPCD-60

CS-58

AL2O3(%)

65

60

60

55

50

60

58

Fe2O3(%)

0.8

Refractoriness,°C

1790

1790

1790

1770

1770

1790

1790

Apparent porosity %

22

22

22

22

24

24

26

Cold Crushing strength MPa

50

50

40

40

40

50

50

Bulk density,g/cm3

2.2

2.2

2.5-2.7

2.5-2.7

2.4

2.4

2.2

Softening temperature

under load,KD°C≥

1550

1500

1500

1450

1450

1500

1450

Permanent linear change,%(°C×h)

±0.2

±0.2

±0.2

±0.2

(1000°C)≤±0.5%

(1000°C)≤±0.5%

1400°C×2h

+0.1

-0.3

Application

Used for temperature change

severe industrial furnace

and thermal lining equipment

All sorts of kiln burner brick

and ceramic kiln brick

All industrial

furnace

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