Refractory Mud VS Refractory Cement?

High alumina refractory mud is different from high alumina cement.

refractory cement

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    The difference between them is: high alumina refractory clay is a refractory material used in the joints of refractory bricks, and the sheet material is high aluminum powder plus a certain proportion of binding agent and coagulant. After adding water or adding liquid binder, stir it into a slurry, and apply it on the surface of the refractory brick to adjust the size deviation. It can make the refractory bricks form a tight whole to prevent the damage of high temperature and external force. In other words, it is the fire clay for bricklaying. It is a finished solid powder.

    High alumina cement is a kind of binder in the application of refractories. High alumina cement is also called aluminate cement. It is clinker with 50% alumina content calcined with bauxite and lime. Aluminate cement is yellow or Brown, high grade high alumina cement is white. The labels are 625#, 725#, 925# and CA70, CA80.

    High alumina cement is closely related to refractory materials and can be used as a binder for various castables. In addition, some 525# and 425# refractory cements are equipped with gypsum bauxite for construction and special projects. High alumina cement has a good coagulation effect in the castable, which will make the castable have high temperature resistance and good strength. It is a raw material for refractory materials.

    The high alumina refractory clay cement is also divided into multiple grades, and is used for building a variety of multi-material refractory bricks. It is divided into high alumina refractory mud and phosphoric acid refractory mud.

    Although both high alumina refractory mud and high alumina cement are powdered materials, there is a big difference between high-alumina refractory mud and high alumina cement. High alumina refractory mud is processed into powder with high-alumina particles smaller than 180 mesh, plus some binders. , A synthetic material made of coagulant. The high alumina cement is the finished material after calcining bauxite and lime.

    Therefore, high alumina cement and high alumina refractory mud are completely different products, but they are closely related to refractory materials. It is also one of two varieties with a large proportion among refractory products.