Powder of titanium compounds

摘要

Particles of titanium compounds each containing crystals of at least two kinds of alkaline earth metal titanate compounds of the perovskite type represented by RTiO3 wherein R is an alkaline earth metal which crystals are joined together or joined to crystals of TiO2. The friction material having added thereinto the powder of such particles of titanium compounds shows a high coefficient of friction and a low abrasive property to adjoining materials.