High alumina castable,High alumina refractory castable,Refractory castable material
Features:
1. High refractoriness, High refractoriness under load.
2. High density, low porosity.
3. Good slag resistance and corrosion resistance.
4. High strength and wear resistance.
5. Good resistance to flake performance.
6. Good thermal shock stability.
7. Scouring resistance
8. Good hot strength.
Physical and chemical index:
Item | Index |
CLC-90 | ALC-80 | ALC-70 | ALC-60 | ALC-50 |
Al2O3 ( %) ≥ | 90 | 80 | 70 | 60 | 50 |
CaO ( %) ≤ | 2.0 | 2.0 | 2.5 | 2.5 | 2.5 |
Bulk density (kg/m3) ≥ | 110°C×24h After drying | 3.0 | 2.80 | 2.60 | 2.50 | 2.40 |
1500°C×3h After heating | 3.0 | 2.75 | 2.50 | 2.40 | 2.30 |
Compression strength ( Mpa ) ≥ | 110°C×24h Drying after | 50 | 45 | 40 | 35 | 30 |
1500°C×3h After burn with fire | 80 | 75 | 70 | 65 | 60 |
Modulus of rupture ( Mpa ) ≥ | 110°C×24h After drying | 12 | 10 | 8 | 8 | 5 |
1500°C×3h After heating | 14 | 12 | 10 | 10 | 8 |
Linear change rate after heating (%)≤ | 110°C×24h After drying | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 |
1500°C×3h After heating | -0.4 | -0.5 | -0.5 | -0.5 | -0.5 |
Maximum service temperature(°C) | 1700 | 1600 | 1500 | 1450 | 1400 |
Application | All industrial furnace |
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Application:
1. Furnaces of metallurgy industry, heat treatment furnace.
2. Furnace of incineration of garbage, recirculating fluidized bed furnace.
3. Furnaces of chemical industry and construction industry.
About our company:
Our company is the specialized manufacturer and exporter of refractory materials and insulating materials in China. Our products mainly include Refractory castable, Ramming max materials, Refractory brick,Refractory mortar,Insulating materials and refractory raw material, Primarily export to Europe, East Asia, Southeast Asia, South America, Middle East and Africa.