under surface treatment by silane coupling agent or titanate esters, it's of high fineness, narrow ... brand - Activity aluminum hydroxide is under surface treatment by silane coupling agent or titanate esters, it's of high fineness, narrow ... powderPackage25/40kg/woven bag, 1000kg big bagCharacteristicsunder surface treatment by silane coupling agent or titanate esters, it's of high fineness, narrow ...