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Fire resistance is an irregular refractory material. It is an important refractory material. It is a refractory material for high-temperature kiln castables’ inner lining. The density of fire-resistant castable materials, also known as volume density, is one of the important testing items in refractory castable cooking indicators. The volume density index of refractory watering is a comprehensive reflection of the volume of air pores and minerals in the castable material. Generally, the volume density reflects the density of refractory castables after castable water.
The volume density of fire-resistant castable materials is g/cm3. Generally speaking, the volume density range of refractory castable materials is 0.4-3.4. The larger the volume density, the higher the volume density of the castable material. The castable material can better resist the erosion of the external slag in the castable inner lining, and the gas tightness of the castable inner lining is better.
Depending on the materials, the refractory watering materials are divided into clay castable materials, high aluminum castable materials, Mo Lai stone castables materials, rigid jade castable materials, silicon castable materials, magnesium castables materials, low cement castable materials, wear-resistant castables materials, steel fiber castables Fire -resistant castables materials such as materials. The volume density of different refractory watering materials is also different; refractory-resistant castable materials are divided into light-castable materials and heavy-quality castable materials according to the volume density.
It is divided into light castables and heavy castables materials, generally 1.5g/cm3 as the segmentation. Generally, the volume density of lightweight refractory watering is 0.5g/cm3, 0.6g/cm3, 0.8g/cm3, 1.0g/cm3, 1.2g/cm3, 1.5g/cm3; the volume density of heavy castables materials is 2.0g/cm3, 2.2g/cm3, 2.3g/cm3, 2.4g/cm3, 2.5g/cm3, 2.6g/cm3, 2.7.7g/cm3, 2.8g/cm3, etc. These are the volume densities of common refractory castables.
The volume density of fire-resistant castable materials also has a different range. For example, the range of clay castable materials is 2.0-2.2g/cm3; the range of high aluminum castable materials is 2.4-2.7g/cm3; the volume density of the above-mentioned castable materials is for reference only.
When purchasing fire-resistant watering, the volume density is one of the important physical and chemical indicators, and it is also one of the physical and chemical indicators that measure the quality of refractory watering.
The refractory castable materials of different materials have different volumes and densities. When buying refractory castable materials, not only should you refer to volume and density, but also consider other physical and chemical indicators, such as pressure resistance, folding strength, chemical ingredients, and changes in heavy burning lines. Generally speaking, the fire-resistant castable material manufacturer needs to produce according to the needs of customers when producing and processing refractory-resistant castable materials to ensure the customer’s needs and the castables of the hot kiln.
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