Kyanite in Ceramics

slide-1Calcined kyanite(mullite) is used in ceramic products.Mullite morphology is important for this application. There are two common morphologies for mullite.

One is a platelet shape with low aspect ratio and the second is a needle shape with high aspect ratio. In the needle shape mullite,the needles interlock imparting tremendous mechanical strength as well as thermal shock resistance to the ceramic product.

The needle shape mullite forms if the ratios basic materials such as sodium and calcium are low.  Anand Talc is a supplier of low iron containing raw kyanite with minimum basic impurities so as to exhibit successful performance in the ceramic industry.

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