we are a manufacter for the chemical material, chemical products,such as matting agent, ... ,conta we are a manufacter for the chemical material, chemical products,such as matting agent, solvent ... can be easily added in any processc) High film clarity: extremely high purity (99.0% SiO2 and above ... dispersed in any coatings, only require the common high sped stirs by approximate line-velocity1 5000r/min, ...