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Henan Hongtai Kiln Refractory Co., Ltd.
Henan Hongtai Kiln Refractory Co., Ltd.
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Active Member
6 Years |
Brand Name : hongtai
Model Number : follow
Certification : ISO BV SGS
Place of Origin : Henan, China
MOQ : 1 ton
Price : US$ 05-2/pieces
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 3000 Ton/Tons per Month
Delivery Time : 25 days
Packaging Details : wooden pallet with paper each layer, wrapped with thick paper and PVC film outside.
Type : factory
Refractoriness (oC) : 1730~1790
Al2O3 Content (%) : 45%-85%
Linear Change(%) : 1300-1580
Material : bauxite /corundum
Cold Crushing Stren : 45-80
sample : free
Color : yellow
Size : Customizable
Lower price High alumina refractory brick for /Fireplace /Stoves
Product introduction
1. Product definition:
High alumina firebrick is a kind of alumina silicate refractory whose content of alumina is not less than 55%.By alumina content of bauxite or other alumina
High raw materials are formed by moulding and calcining.
2. Product features:
Thermal stability, high refractoriness in above 1790 ℃, high refractoriness under load can reach above 1480 °, good slag resistance, good thermal shock stability,
Acid and alkali resistance, high temperature creep rate low, high temperature strength characteristics, belong to the high refractory.
3. Product classification:
High-alumina bricks are generally divided into four grades according to different content of alumina
4. Product use:
The first-grade high-alumina firebrick is mainly used for electric furnace cover (top), blast furnace (body), hot air furnace partition wall, steel ladle lining and steel barrel.
The inner lining of various thermal kilns, such as iron water truck, cement kiln, glass kiln, etc.Widely used in ironmaking, steelmaking, chemical industry, cement and other industries.
Physical and chemical index
| Items | Technical Data | ||||
| International code name | SK35 | SK36 | SK37 | SK38 | SK40 |
| Chinese code name | LZ-48 | LZ-55 | LZ-65 | LZ-75 | LZ-80 |
| Al2O3 min % | 48 | 55 | 65 | 75 | 80 |
| Fe2O3 max % | 2 | 2 | 2 | 2 | 2 |
| Refractoriness oC min. | 1750 | 1770 | 1790 | 1790 | 1790 |
| Refractoriness under Load C min. | 1420 | 1470 | 1500 | 1520 | 1530 |
| Permanent Linear Change % | 1450 C×2h | 1500 C×2h | 1500 C×2h | 1500 C×2h | 1500 C×2h |
| +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | +0.1~-0.4 | |
| Apparent Porosity max. % | 22 | 22 | 23 | 23 | 21 |
| Cold Crushing Strength mim. | 39 | 44 | 49 | 54 | 65 |
Note :
Size Tolerance : + / - 1.5 % or + / - 2 Mm Which Ever is Greater
Above Specified Values Relate to Machine Pressed Standard Bricks.
P L C Values are for Specimens Heated At Given Temp. for 2 Hours
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