.纳米二氧化钛纳米二氧化钛，粉体作为化妆品的物理防晒添加剂，具有化学性质稳定、无刺激性、无致敏性、全面防护紫外线等优点。 Titanium dioxide is a light-sensitive semiconductor, and absorbs electromagnetic radiation in the near UV region. The energy diff erence between the valence and the conductivity bands in the solid state is 3.05 eV for rutile and 3.29 eV for anatase, corresponding to an absorption band at 415 nm for rutile and 385 nm for anatase。简介产品技术指标：TiO2%99.3% 粒径：1550nm物性数据柔软，无嗅无味的白色粉末，遮盖力和着色力强，溶点15601580。不溶于水、稀无机酸、有机溶剂、油，
