Blue Silica Gel (cobalt indicator)
- Shape:glass-like pellets or lumps.
- Color: blue or light blue.
- Turning from blue to red after absorbing moistures.
Inquire nowUse
1.Mainly used for absorbing moisture, anti-rusting of instruments, gauges and equipment in the enclosed conditions. After absorbing moisture, it turns from blue to red, visually indicating the relative humidity of the given environments.
2. When being used with ordinary silica gel or drier, it indicates to which extent the drier absorbs the moisture and judges the relative humidity of a given environment. It is widely used as silica gel drier for the packing of precision instruments, leathers, shoes, clothes, foodstuffs, medicines and household electric appliances, etc.
Technical Data
|
ITEM
|
Blue silica gel
|
Typical values
|
|
|
Adsorption capacity %
|
RH=20%
|
8.0
|
8.5
|
|
RH=35%
|
13.0
|
13.6
|
|
|
RH=50%
|
20.0
|
22.5
|
|
|
RH=90%
|
28.0
|
31.4
|
|
|
Rattler Loss %
|
10.0
|
0.5
|
|
|
Qualified size ratio %
|
96
|
97
|
|
|
Loss on heating %
|
2.0
|
1.2
|
|
|
Colour
|
RH=20%
|
blue or light blue
|
*
|
|
RH=35%
|
purple or purplish red
|
*
|
|
|
RH=50%
|
light red
|
* |
|
Size: 1-3mm, 2-5mm, 4-8mm
Packaging: 25 kg per compound bag or 170 kg per drum.
Notes: Packing and size may be customized per your specific requirements.
