lightweight castables Archives - Global Refractory Brick ...
2021-4-9u2002·u2002Lightweight Mullite Refractory Castable and Its Application Advantages. The key raw material of lightweight castables is lightweight refractory aggregates that can make the bulk density of the castables lighter. Lightweight aggregates generally account for 50% to 70% of the total pouring, and the volume ratio can reach more than 90%.
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