To test the importance of impurity level on the refractory, samples of Virginia Mullite with static alumina contents and varying iron oxide contents ranging down to 0.1% were tested. Read this article to know the results!

The expansion and mullitization of the various sillimanite group minerals in this study were examined and compared. Overall, kyanite has been proven to have more expansion that either sillimanite or andalusite.

Learn more about this new raw material, micronized kyanite in this presentation provided in 2006 for the Materials Science & Technology 2006 conference