Alkali-resistant bricks are mainly used in open-hearth furnaces, oxygen-blowing converters, electric furnaces, non-ferrous metal smelting equipment, and glass industries, as well as some high-temperature equipment.
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Liuzhai Town, Xinmi City, Henan, China, 452370
Description of Alkali Resistant Bricks
Alkali-resistance brick is a kind of low alumina brick, the Al2O3 content is 30-25%, the main material is low alumina refractory clay, it is a kind of silica-alumina series refractory products with good alkali erosion resistance performance in cement kiln system.
Application of Alkali Resistance Bricks
1. Preheater equipment
2. Metallurgy furnace
3. Transfer zone of cement rotary kiln
4. Burning zone of cement rotary kiln
5. Other thermal equipment
Technical Dates of Alkali Resistant Bricks
Item | Al2O3(%)≥ | SiO2(%)≥ | A.P(%)≤ | C.C.S.(MPa)≥ | R.U.L@0.2MPa (℃)≥ | T.S.R （1000℃）≥ | T.C(350℃）W/m.K≤ | Therm.Exp（900℃）％ |
Common Type Alkali Resistant Bricks | ||||||||
RK-O | 25-30 | 60-70 | 25 | 25 | 1350 | 10 | 1.3 | 0.7 |
High Strength Type Alkali Resistant Bricks | ||||||||
RK-H | 25-30 | 60-70 | 20 | 60 | 1300 | 5 | 1.4 | |
Arch Type Alkali Resistant Bricks | ||||||||
RK-A | 30-35 | 60-65 | 25 | 30 | 1400 | 10 | 1.3 | |
Insulation Type Alkali Resistant Bricks | ||||||||
CB-20 | 25-30 | 60-67 | ≥30 | 15 | 1250 | 5 | 0.75 | 0.6 |
CB-39 | 25-30 | 60-67 | ≥30 | 20 | 1250 | 0.75 | ||
