सीएसआईआर-केंद्रीय काँच एवं सिरामिक अनुसंधान संस्थान

CSIR-Central Glass & Ceramic Research Institute

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Alumina-based refractories are ubiquitous in several high temperature structural applications and the use of synthetic and purer raw materials for manufacturing of refractory products is a prerequisite for clean steel production. As a part of the work under this vertical, 100 kgs of high alumina (72%) aggregates were developed from sillimanite beach sand (a byproduct of rare earth extraction process of beach sand minerals), calcined alumina and additives through reaction-sintering process. Shaped and unshaped refractory developed from these aggregates showed better properties as compared to commercially available products.

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