It is also called Humidity Indicating Silica Gel. In this type all the silica gel particles are impregnated with an indicator. It gradually turns pink from blue when absorbing moisture and gives a ready indication that done its work and need replacement or regeneration. It is used as indicator and dryer, and can be used with White Silica gel.
Technical Data Specification
Name: SILICA GEL BLUE
Item |
Specification |
Size |
1-3MM\2-5MM |
Appearance |
Blue or Light-Blue |
Ratio of Size Qualified，% ≥ |
99 |
Adsorption Capacity , % |
RH=20% ≥ |
8.0 |
RH=35% ≥ |
13.0 |
RH=50% ≥ |
20.0 |
Loss on Heating , % ≤ |
5.0 |
Rattler Loss , % ≤ |
10.0 |
Bulk Densit , g/l ≥ |
750 |
PH Value |
4-8 |
Specific Resistance , Ω.cm ≥ |
1000 |
Qualified Ratio of Spherical Granules,% ≥ |
89% |
Color |
RH=20% |
Blue or Light-Blue |
RH=35% |
Purple or Amaranthine |
RH=50% |
Light Red or Pink |
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