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Галд тэсвэртэй цутгахад натрийн гексаметафосфатын …
Post Date: 4,Jul,2022 Some industrial circulation equipment for a long time in 900℃-1100℃ temperature state of work, refractory materials at this temperature is difficult to achieve ceramic sintering state, seriously affect the performance of refractory materials, sodium hexametaphosphate in refr...