Adsorbents-SG Series

Blue Silica Gel

  • Product:Blue Silica Gel
  • Brand: OIM
  • Origin of city: Pingxiang city, China
  • Shelf time: 3-5 years
  • Payment of terms: TT, L/C, Western Union etc
  • Delivery of terms: By sea, by air, railways, land etc
  • Shipment terms: FCA, FOB, CFR, DAP etc
  • Delivery time: 3-7 days for common product;
  •                        Over 10 days for customized product.

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Blue silica gel is  a kind of color-changed silica gel. Which is divided into blue gel indicator, color-changing silica gel and blue gel. The appearance is blue or light blue glass-like particles. According to the shape of the particles, it can be divided into two types: spherical and massive. After moisture absorption, its color changes from blue to red.

Technical Parameter:
Properties Unit Data
Color - Blue
Shape - Glass-like pellets or lumps
SiO2 content wt% ≥98.5
Average pore diameter nm 2.0-3.0
Size mm 2~4, 3~5, 4~8, customized
Item   Blue gel indicator Discoloring silica gel Blue silica gel Typical values
Qualified size ratio wt% ≥96 ≥90 ≥90 ≥97
Loss on heating wt% ≤5 ≤5 ≤5 ≤5
Adsorption capacity wt% RH=20% ≥8
(Blue or light blue)
/ / ≤8.5
  wt% RH=35% ≥13
(Purple or purplish red)
/ / ≥13.6
  wt% RH=50% ≥20
(Light red)
(Light red)
(Purple or light red)
  wt% RH=90% / / ≥28 ≥31.4
Moisture content wt% ≤3.0

used for moisture absorption and rust prevention of instruments, meters, equipment, etc. under closed conditions, and at the same time, it can directly indicate the relative humidity of the environment by changing its color from blue to red after absorbing moisture.
As a silica gel desiccant for packaging, it is widely used in precision instruments, leather, shoes, clothing, food, medicine and household appliances.

25kg plastic bag
800kg super sack
150kg steel drum

+86 799 6666455

+86 18179910932
Tracy Chen
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