1,nano titanium dioxid 2, ISO and SGS certificate 3,rutile and anatase Product name: Titanium ... , %98.0 min 98.0min Tint strength, %180min 100 min.L. O. I, % 0.1max 0.2 maxPH6.5-8.0 ... 0.2 maxSolution of acid, %0.5max 0.5 max ISO certificate nano titanium dioxide used for paper