| Customization: | Available |
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| Material: | Castable |
| Refractoriness (℃): | 1770< Refractoriness< 2000 |
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The high alumina and high strength castable is an unshaped refractory castable made of high alumina clinker as the main raw material, multiple particles and gradings are filled with each other to form a dense structure, and high alumina refractory cement binder, shrinkage inhibitor, dispersant, accelerator and other additives are added. The service temperature is 1300 ºC, with high mechanical strength and good thermal shock resistance and abrasion resistance. After drying and calcining at high temperature, the bulk density will not shrink.
Features
1. Dense bulk density, low porosity, and strong resistance to slag or solution penetration;
2. Good resistance to quenching and heating, thermal shock or thermal shock;
3. High compressive strength and good wear resistance;
4. The construction is convenient, which can be poured into an integral lining or customized castable prefabricated parts for masonry;
5 Resistance to chemical attack.
Application
Aluminum high-strength castable is suitable for various high-temperature kilns and thermal equipment, heating furnace, soaking pit, heat treatment furnace and rotary kiln; Various high-temperature burner linings, water pipe binding linings of heating furnace, components of liquid steel refining unit and high-temperature linings of petrochemical catalytic cracking reactor; Linings such as blast furnace taphole and cupola taphole. It can also be used to make large prefabricated blocks and furnace linings.
| Property | Unit | Value | |
| Maximum Service Temperature | °C | 1590 | |
| Bulk Density | g/cm3 | 1.9 - 2.6 | |
Cold Crushing Strength |
Dried 110ºC | MPa |
>18 >13 |
| Fired at 1000ºC | |||
| Modulus of Rupture | Fired at 1000ºC | MPa | >15 |
| Grain Size | +355 µm | Wt % | 40 Min |
| -250 µm | 50 Max | ||
| Shrinkage at 110 °C after 24 hours | % | 1.5 Max | |
| SiC | wt % | 84 Min | |
| SiO2 | wt % | 7 - 9 | |
| Al2O3 | wt % | 2 - 3 | |
| Fe2O3 | wt % | < 0.4 | |
| Others | wt % | 4 - 5 | |
| Water Requirement | wt % | 6 | |
Packaging: 25kg/bag, two layers kraft bag with water proof, and with ton bag outside or each ton packed on a fumigation pallet according to customers' request.
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED has 30 years of experience in R & D and design of unshape refractory experts, holds 20 utility model patents and 7 invention patents, and has passed the ISO quality, environment and safety management system certification. The company is committed to the R & D, production and service of refractories used in metallurgy, electric power, nonferrous metals, building materials, chemical industry and other industries. Its products cover 198 kinds of materials and 2369 varieties in three categories (acidic, neutral and alkaline), providing overall solutions for refractories for 1200 domestic and 200 foreign
customers.
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