Description
Blue silica gel can be divided into blue indicating silica gel,
color-changing silica gel and blue silica gel. Its appearance is
blue or light blue glass-like ball or lump.
Blue silica gel 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 *5 degrees, humidity≤*0%, can\'t light or
radiation, airtight save, do not contact with air directly.
Blue silica gel 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.
