Blue Silica Gel
 
$ / 25kg (55lbs)

Product No. Project Name
B420 Blue Silica Gel
Parameters
Shape: glass-like pellets or lumps. Color: blue or light blue. Including blue gel indicator, chromotropic silica gel and blue silica gel. Turning from blue to red after absorbing moistures.
Applications
  • 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.
  • 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.
Sizes
1-3mm, 2-5mm 4-8mm
Packing
25kg or 170kg per drum.
Picture
   
Technical Data
Item Blue gel
indicator
Discoloring
silica gel
Blue
silica gel
Typical
values
Adsorption
capacity, %
RH=20 % ≥ 8.0 -- -- 8.5
RH=35 % ≥ 13.0 -- -- 13.6
RH=50 % ≥ 20.0 20.0 18.0 22.5
RH=90 % ≥ -- -- 28.0 31.4
Rattler loss, % ≤ 10.0 10.0 10.0 0.5
Qualified size ratio, % ≥ 96 90 90 97
Loss on heating, % ≤ 5.0 5.0 5.0 0.9
Color RH=20% Blue or light blue -- --  
RH=35% Purple or purplish red -- --  
RH=90% Light red Light red light Purple or light red  

 
$ / 25kg (55lbs)