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Refractory castables/plastic/smashing/similarities/similarities

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Refractory castables are the same as refractory plastic and refractory ramming materials. These three materials are made of refractory aggregates, powders, binders, etc., except for different construction methods. Different.

Refractory castable

Many of the properties of refractory castables depend to a large extent on the variety and amount of binder. As far as strength is concerned, except for those made of lightweight particles, since the strength of the pellets is generally higher than the strength of the binder hardener and the bond strength between the same particles, the strength of the castable actually depends on the strength of the castable. The binding strength of the binder.

The refractory castables are generally more fluid than refractory ramming materials. Therefore, most of the refractory castables can be placed in a tightly packed and covered model by simply pouring or vibrating. After the castable is formed, it is necessary to promote hardening according to the hardening characteristics of the binder. For example, the cement should be protected under proper wet conditions. For some metals, inorganic salts are boring and baking, and so on.

The high temperature properties of refractory castables are also closely related to the variety and amount of binder. If the granulated and powdered materials are selected to have excellent fire resistance, and the melting point of the binder is high and does not constitute a low-melting property with the refractory material, it is necessary for the refractory castable to have a suitably high fire resistance. If the lining of the granulated and powdered materials is indispensable, the fire resistance of the refractory castable is controlled to a moderate extent by the binder, due to the majority or even all of the castings made in the general aluminate cement. The fusible component is always contained in the cement stone, so the effect of the amount of cement on the high temperature properties of the refractory castable is also significant.

Refractory plastic

The refractory plastic (plastic refractory) of Zibo Yueneng Furnace Technology is an amorphous refractory material with high plasticity and a soft mud paste in a long time. It consists of refractory particles and fines, binders, plasticizers and moisture. Granules and fine powders can be made from refractory materials of various materials: materials, but aluminum silicate refractories are widely used nowadays. When making refractory materials from granules and fine powders of silicate refractories, soft clay is often used as a binder. In order to improve the drying strength of plastics, a certain amount of water glass, phosphoric acid, etc. Cementitious material such as aluminum sulfate. Aluminosilicate plastics are now widely used in the lining of various industrial furnaces and as part of the repair of thermal equipment linings.

Refractory ramming material

Refractory ramming material is a granulated and powdered refractory material plus binder. After reasonable grading and mixing, it is made into a thousand or semi-dry slack material. It is formed by temporary strong beating and hardened and sintered by heating. . The materials are siliceous, clay, high alumina, corundum, carbon, magnesia and chrome, which are characterized by high stability and corrosion resistance at high temperatures.


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