The color of Foundry Ceramic Sand

The color of Foundry Ceramic Sand


The main chemical composition of Foundry Ceramic Sand is Al2O3, and it also contains a small amount of iron oxide and silicon dioxide.

Generally speaking, the color is bright, and the iron content of the Foundry Ceramic Sand is higher than 5%, but the color does not look bright. The color of the non-reflective ceramic sand is gray-black, and the iron oxide content is about 2%.

The content of silicon and iron will affect the fire resistance and physical properties of ceramic sand. Users need to distinguish when purchasing to achieve the expected use effect.

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