Mesh surface cracking degree of high alumina refractory product also has a close relationship with the waterabsorption rate of the clinker. The water absorption rate of clinker is greater, the greater the degree of cracking net. When use the water absorption rate of clinker brick, product in the firing process of clinker itself to continue to complete the process of sintering product shrinkage is larger, and uneven, and therefore prone to cracking and crazing.
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