lk Density Loose:Ibs/ft36060607570100Compacted:lbs/ft3100100100115115150Color L* 白度969594939392Brightness 亮度969594939392PH8.58.58.58.58.58.5Refractive Index折射率1.601.601.601.601.601.60Mohs Hardnedd莫氏硬度3.03.03.03.03.03.0Gloss光泽度ExcellentExcellentExcellentExcellentExcellentExcellentDispersibility 分散性ExcellentExcellentExcellentExcellentExcellentExcellentWeather Resistance 耐候性ExcellentExcellentExcellentExcellentExcellentExcellent四、国产优质金红石型钛白粉：进口质量的优质金红石型钛