At this time, when a pigment is added to the water solution, since the silicon oxide film to which the desired pigment is added is formed, first, the silicon oxide film to which a red pigment is added is formed and a red pattern 203 is formed by patterning and similarly green and ...
It appears purple red or orange red with moisture. Its main composition is silicon dioxide and color changes with different humidity. Besides the performance like blue silica gel, it has no cobalt chloride and is non-toxic, harmless. Application: This product is mainly used for drying, ...