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About this blog

Rongsheng Refractory Material Factory has a fully automatic intelligent production line with an annual output of 80,000 tons of shaped refractory materials and 50,000 tons of unshaped refractory materials. Its products cover shaped and unshaped series, which can meet the product standards of more than 90% of the world's kilns.

Entries in this blog

castable refractory

Advantages of Low Cement and Ultra Low Cement Castables

Compared with common refractory castables, low cement or ultra-low cement castables have a series of excellent properties, which are mainly manifested in the following aspects. Advantages of Low-Cement Refractory Castables ① Since the amount of cement added is only 1/2-1/15 of that of ordinary refractory castables, the CaO introduced into the castable is reduced from 2.5%-8% to 0-2.5%. The number of low-melting phases formed in the matrix is greatly reduced. Therefore, the refractorine


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