Blue Silica Gel By Yuanying Industry Limited

We are famous name in offering Blue Silica Gel to our patrons. Mainly used in various industries, through itself color changes after moisture absorption to indicate the level of desiccant moisture absorption and the relative humidity of the environment
Storage:
Temperature 5 to 25 degrees, humiditya 70%, can't light or radiation, airtight save, do not contact with air directly.
This can be regenerated, it will be returned to the original color after heating-dehydration
Related information
Allochroic silica gel is divided into 3 types: blue silica gel, cobalt-free blue silica gel, orange silica gel.
Blue silica gel (blue to red) contains cobalt chloride, cobalt chloride color from blue to pink after absorbing water.
Cobalt-free blue silica gel (yellow to red) contains congo red, congo red itself can be used as an acid-base indicator, colour change interval PH3.5 ~ 5.2, alkali state to red, acid state to violet.
Orange silica gel (yellow to green) contains methyl violet, methyl violet color from yellow to green between PH0.13-0.5.