The hardness of Fine Ceramics is typically measured using the Vickers hardness scale. Alumina ceramics, a type of Fine Ceramic, are a very hard material–approximately three times harder than ...

Alumina and silicon carbide substances present in Fine Ceramics exhibit exceptionally high chemical resistance (low chemical solubility) and will not be deformed when immersed in an acid or alkali ...

MOSCOW, March 14 (Reuters) - Russian aluminium giant Rusal on Friday said it had agreed to buy a 26% stake in an Indian alumina refinery owner for $243.75 million and to acquire up to 50% in ...