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Refractory castable
Corundum mullite castable is made from brown corundum and mullite aggregates as the main components, utilizing micro-powder technology, combined with white cement and additives.
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Steel fiber wear-resistant castable
It has characteristics such as high strength, good toughness, good thermal shock stability, strong spalling resistance, and wear resistance, making it suitable for areas with large temperature gradient changes and those that are prone to spalling and damage.
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Phosphate refractory castables are castables bonded with phosphate, belonging to an acidic matrix, with a usage temperature of 1400-1600℃.
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High-alumina castable is an unshaped refractory castable composed of high-alumina aggregates with an Al₂O₃ content greater than 75%, combined with high-alumina powder and additives, resulting in an overall aluminum content of >55%. After initial setting, high-alumina castable is standard cured for 28 days, and the compressive strength can reach 40~60 MPa.
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Steel fiber reinforced refractory castable is used to construct the linings of industrial kilns that come into contact with high-temperature gases or solid materials. This is because, in situations of intermittent use, there are significant temperature fluctuations, thermal stress, and mechanical forces. Steel fiber castables can improve their thermal shock resistance and mechanical vibration resistance.
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Lightweight insulating castable
Widely used for high-temperature flue and duct linings, it can also be used for acid-resistant projects such as acid pools and tanks in industries like CFB boilers, petroleum, chemical, and non-ferrous metallurgy.
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The preparation process of low cement castable is very strict, so there are many factors that affect the performance, mainly including ultra-fine powder, aluminate cement and admixture, refractory aggregate and admixture. The amount of refractory aggregate and water is also an important factor.
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Coal spray pipe using refractory material
The coal spraying pipe uses refractory castable materials for kilns with harsh and severe operating conditions, made from high-strength materials such as corundum and mullite as aggregates, and ultra-fine powder as a binder to create high-performance refractory castables.
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High-strength alkali-resistant refractory material
Mainly used in the lining of preheaters, pipeline linings, and cooler linings of cement rotary kilns, alkaline refractory castables can also be used in the preheaters of lime kilns.
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The anti-caking pouring material adds silicon carbide, which has very little adhesion to the raw materials burned in the cement kiln, significantly reducing the phenomenon of cement raw materials clumping at the kiln tail discharge slope and other areas.
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Corundum-based castables include corundum castables, corundum plastic materials, corundum ramming materials, and corundum wear-resistant materials. Corundum-based products are made from refractory materials with an Al₂O₃ content greater than 90%, primarily consisting of corundum as the main crystalline phase, and are compounded with appropriate amounts of dispersants, setting agents, stainless steel fibers, according to strict formulations.
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