Industry News

What Types of Refractory Castables are Used in Different Parts of a Cement Rotary Kiln?

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Refractory castables, as lining materials for new dry-process rotary kilns, can, through proper configuration, protect production equipment and ensure normal operation at high temperatures, effectively reducing system energy consumption. Suitable refractory castables for different parts of large and medium-sized new dry-process kiln systems are discussed below. Problems that may arise with refractory castables in rotary … Read more

Effect of CaO Addition on Sintering Performance of Aluminum-Magnesium Dry Ramming Mix for Medium-Frequency Furnace

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Medium-frequency induction melting furnaces are widely used in casting, steelmaking, and non-ferrous smelting due to their advantages, such as flexibility, energy saving, high efficiency, low pollution, and easy composition adjustment. The furnace lining refractory materials mostly use dry ramming mixes, which are divided into three types: acidic, basic, and neutral ramming mixes. Dry Ramming Mixes … Read more

Are Low-Cement Castables Suitable for Industrial Kiln Walls?

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Yes. Low-cement castables are suitable for industrial kiln walls. Besides industrial kiln walls, they can also be used in power plant boilers and chemical plant incinerators. Clay-based and high-alumina low-cement castables can be used as linings for heating furnaces, soaking furnaces, various heat treatment furnaces, and rotary kilns. Mullite-based low-cement castables can be used as … Read more

Dry Refractory Material for the Working Layer of the Tundish

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Dry refractory for tundish. A dry refractory material tundish is an unshaped refractory material formed by vibration without the addition of water or liquid binders. Under vibration, the material can form a dense and uniform whole, and its strength is acquired by thermosetting binders or ceramic sintering agents when heated. A dry vibratory refractory materials … Read more

Performance Differences and Engineering Selection of Lightweight Castable and Lightweight Spraying Material

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Rongsheng, a manufacturer of monolithic refractory materials, specializes in supplying monolithic refractory lining materials for high-temperature industrial furnaces. Our products include heavy refractory castables, lightweight insulating castable refractory, refractory gunning materials, ramming materials, and more. Contact Rongsheng to receive free samples and quotations. Get Free Quote Differences in Material Composition and Process Characteristics Particle size … Read more

What are the Factors that Affect the Quality of Low Cement Castable?

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Rongsheng is a manufacturer of monolithic refractory materials. Low-cement castable is currently the most widely used series of monolithic refractory castables in industrial kilns. It is called low-cement castable because it contains a small amount of cement. The production process of this series of castables is quite strict. Many factors affect the performance of low-cement … Read more

What are the Four Major Characteristics of High-Alumina Castable?

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The technical indicators of refractory castables are the main reference for the procurement process, determining the quality of refractory castables. There are seven main technical indicators of refractory castables, namely A2O3 content, bulk density, apparent porosity, compressive strength at room temperature, refractoriness under load, and thermal shock resistance. Taking high-alumina refractory castables as an example, … Read more

Application Guidelines for Silicon Carbide Castables

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The optimal operating environment for silicon carbide castables is above 1500℃ in a reducing or weakly reducing atmosphere, which is a prerequisite for the release of their performance. Within this range, the SiC particles inside the material remain stable, and the surface layer undergoes slight graphitization, spontaneously forming a dense barrier. The resistance to erosion … Read more

Are There Lightweight Refractory Spray Coatings?

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Refractory spray coating materials belong to the category of amorphous materials in refractory materials. They can be lightweight, heavy, or semi-heavy. Lightweight Refractory Spray Coating Lightweight refractory spray coatings serve as thermal insulation and are used as insulation layers. For small areas, they can be applied directly. Because of their short application time, lightweight spray … Read more

What are Some Commonly Used Lightweight Refractory Aggregates in Refractory Materials?

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In the production of lightweight refractory materials, six raw materials are frequently used as refractory aggregates: hollow spheres, porous clinker, porous mullite, ceramsite, expanded perlite, and expanded vermiculite. RS Monolithic Refractory Factory supplies a variety of monolithic insulating castables. Reasonable prices and reliable product quality. Hollow Spheres Get Free Quote Alumina Hollow Spheres Alumina hollow … Read more

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