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Tin Bath Bottom Block

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Items

指标

Indicators

Al2O(%)

46-49

Fe2O3(%)

≤1.2

K2O+Na2O(%)

≤1.0 

耐火度

Refractoriness (℃)

 

≥1750

荷重软化温度

Refractoriness Under Load T0.6 (KD℃)

 

≥1400

重烧线变化

Reheating Linear Change (1400℃ 2h)

 

+0.0/-0.2

显气孔率

Apparent Porosity (%)

 

≤18

体积密度

Bulk Density (g/cm3)

 

≥2.35

常温耐压强度

Cold Crushing Strength (MPa)

 

>60

H 扩散指数

H Diffusion Index (mmH2O)

 

≤100

热震稳定性

Thermal Shock Stability (1000℃,Water Cooling)

 

≥10

The tin bath bottom brick developed in1986 by our company has filled domestic blank. It is widely used in the tin bath bottom of float glass kilns at home and abroad. It has been used in more than 300 float glass production lines, of which the longest furnace life is up to 15 years. This product has good physical and chemical indexes and accurate sizes. Its properties of anti-H diffusion, anti-nephelinization and anti-alkali corrosion are significantly excellent. After ten years’ continuous use, there is no surface nephelinization, peeling and cracking. This product is mainly used in the tin bath bottom of float glass kilns.

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