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Blue silica Gel
It is available with blue indicating silica gel, discolored silica gel ¦Å silica gel blue. It is blue or light blue, glass like in appearance and with spherical or irregular. It not only adsorbs moisture but also discolors variously from blue into pink until light red with the increasing of moisture adsorbed. In this way, it can indicate the humidity level of environment and tell whether the gel is fully saturated with moisture. It can be used separately to adsorb moisture; it usually goes with ordinary silica gel desiccant to indicate the adsorption saturation degree ¦Å the Relative Humidity of the package of precision apparatus, Ieather products, clothing, foodstuff, pharmaceutical ¦Å household applications.

Orange Silica Gel Indicator
It is our newly developed silica gel indicator-the most revolutionary ¦Å environmentally friendly silica gel indicator in China. It is semi-transparently orange ¦Å glass ilke in appearance with speherical or lumpy granule. Our orange silica gel indicator has superior moisture adsorption capacity; also it discolors variously with the increasing of moisture adsorption, so it is called "mois ture indicator". It can either be used seperately or goes with ordinary narrow pore silica gel (usually by percentage of 5%). It uses a kind of non-toxic, non-cobalt organic compound as discoloring agent. In this way, it can successfully get rid of cobalt hazard to environment ¦Å human tealth. It disclors from orange into green and at last into blue-purple with variation of moisture adsorption degree.
Technical Data
ITEM
Blue gel indicator
Orange Silica gel indicator
Blue Silica gel
Typical values
Adsorption Capacity,%
RH=20£¥
8.0
9.0
-
8.5
RH=35£¥
13.0
15.0
-
13.6
RH=50£¥
20.0
24.0
18.0
22.5
Rattler£¥¡Ü
10.0
10.0
10.0
0.6
Qualified size ratio£¥¡Ý
95
96
90
96
Loss on heating£¥¡Ü
2.0
2.0
2.0
1.10
Colour
RH=20£¥
Blue or light blue
Orange
-
qualified
RH=35£¥
Purple or purplish red
Light green
-
qualified
RH=50£¥
Light red
Light blue
Purple or Light red
qualified
[Sizes]1-3mm 2-5mm 4-8mm
[Packing]25kg per compound bag or 25kg metal pail
[
Note]Packing and size may be customized per your specific requirements.