Items Specification Rutile Anatase Content 93%min 98%min Tint redusing power 100% min 100% min Oil absorption (g/100g) 22 max 26 max Ph value 6.5-8.0 6.5-8.0 45 um sieveresidue 0.1%max 0.1%max Water-soluble matter 0.3%max 0.5max Volatile matter(105d) --- 0.40max. 25kgs in net pp bag.