Shape: glass-like pellets or lumps. Color: blue or light blue.
Including blue gel indicator, chromotropic silica gel and blue silica gel.
Turning from blue to red after absorbing moistures.
Use
1. Mainly used for absorbing moisture, anti-rusting of instruments, gauges and equipment in the enclosed condition. After absorbing moisture, it turns from blue to red, visually indicating the reletive humidity of the given enviroments.
2. When being used with ordinary silica gel or drier, it indicates to which extent the drier absorbs the moisture and judges the reletive humidity of a given enviroment. It is widely used as silica gel drier for the packing of precision instruments, leathers, shoes, clothes, foodstuffs, midicines and household electric appliances, etc.