
Blue Silica Gel

Shape: glass-like pellets or lumps.
Color: blue or light blue.
Including blue gel indicator,
chromo tropic silica gel and blue
silica gel.
Turning from blue to red after
absorbing moisture.
-
Mainly used for absorbing moisture, antirusting 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.
-
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.
Size: 1-3mm, 2-5mm, 4-8mm
Item |
Unit |
Blue silica gel |
Typical values |
|
Adsorption capacity |
RH=20% |
≥% |
-- |
8.5 |
RH=35% |
≥% |
-- |
13.6 |
|
RH=50% |
≥% |
18 |
22.5 |
|
RH=90% |
≥% |
28 |
31.4 |
|
Attrition Rate |
≤% |
10 |
0.5 |
|
Qualified size ratio |
≥% |
9 |
97 |
|
Loss on heating |
≤% |
5 |
0.9 |
|
Color Variation |
RH=50% |
|
purple or light red |
* |
25kg/bag palleted
It should be stored indoor under dry condition at room temperature. And exposure to the air water, acids and alkalies is not allowed.