white carbon black,white silica,precipitated silicon dioxide 1.Maufacturer 2.Buyer label offered 3.SGS test accepted silicon dioxide,white carbon black,white silica Technical IndexUnitsspecificationsXJ100XJ-101 NY-300 GJ-103TL-104LNJ-105SP-106ZZ-108SiO2 Content %≥ 93≥ 93≥ 90≥ 96≥ 96≥ 96≥ 99≥ 98BET Specific Surface Aream2/g 140~230170~200150~300200200200~~~~~~PH value----≥6.06.5~7.55.0~8.04.0-4.56 ...