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Silimanite Refractory Brick

Silimanite Refractory Brick

Place of Origin : Shandong, China(Mainland)
Brand Name : LONGTAI
Certification : ISO9001
MOQ : 1 pallet
Packaging Details : Pallet packing or as your requests
Payment Terms : Western Union, T/T
Supply Ability : 2000 Ton/Tons per Month
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Types Of Sillimanite Refractory Brick For Furnace


Product Description


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.

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

Types Of Sillimanite Products
ItemIndex
Al2O3(%)>60
SiO2(%)≤37
Fe2O3≤1
Refractoriness ℃>1790
0.2Mpa Refractoriness under load ℃1500
Reheating linear change % 1400℃x2h0.15
-0.5
Apparent porosity %≤25
Bulk density2.2-2.4
Cold crushing strength Mpa>50
Sillimanite productForehearth brick, trough, rotating tube, spout, stirrer, punch, barrel, guard brick, burner brick,
beam plate brick, etc.
ApplicationThe discharging hole of glass tank furnace;
Forehearth and gob feeder for glass tank furnace; The furnace lining, furnace throat for blast furnace; Kiln furniture for ceramic industry.

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