Gold Member Since 2005
Audited Supplier
Qingdao Fraken International Trading Co., Ltd.

Blue Silica Gel, Self-Indicating Silica Gel Blue, Type a Blue Silica Gel manufacturer / supplier in China, offering Self-Indicating Blue Silica Gel, Mogroside V 90%, Momordica Grosvenori Extract / Monk Fruit Extract, Food Grade 50%/70%/99% Phytic Acid and so on.

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Supplier Homepage Product Silica gel Self-Indicating Blue Silica Gel

Self-Indicating Blue Silica Gel

Purchase Qty.:
1-9 10+
FOB Unit Price: US $1,200 US $1,150
Purchase Qty. (Tons) FOB Unit Price
1-9 US $1,200
10+ US $1,150
Get Latest Price
Production Capacity: 4, 000mt/Year
Transport Package: 25kgs Per Bag/Drum
Payment Terms: L/C, T/T, Money Gram, Western Union

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Basic Info
  • Model NO.: BSG
  • Drying Method: Dynamic Drying
  • Sorbent: Silica Gel
  • Color: Blue
  • Specification: Export
  • HS Code: 28112210
  • Shape: Beads
  • Kind: Silica-Gel Desiccant
  • Desiccant: Physical Desiccant
  • Trademark: Fraken
  • Origin: China
Product Description
Silica Gel Blue, is also called Self-indicating silica gel. The specification is
As follows:
1. Form: Spherical or crystal(lump)
2. Size: 0.5-2mm, 1-3mm, 2-5mm, 3-5mm, 4-6mm, 4-8mm, etc.
3. Packing: 25kgs/bag, 25kgs/drum, 150kgs/drum, 800kgs/bag
4. Color change: Blue to pink

Silica Gel Blue sachet: 0.5g, 1g, 2g, 3G, 4G, 5g, 6g, 10g, 100g, 500g, 1000g, etc.

Silica Gel Blue is produced by white silica gel added with ammonium tetrachlorocobaltate(II) (NH4)2CoCl4 or cobalt chloride CoCl2. This will cause the gel to be blue when dry and pink when hydrated.

Technical Data:


Blue gel indicator

Discoloring silica gel

Blue silica gel

Typical values

Adsorption capacity, %

RH=20 % ≥





RH=35 % ≥





RH=50 % ≥





RH=90 % ≥





Rattler loss, % ≤





Qualified size ratio, % ≥





Loss on heating, % ≤






RH=20 %

Blue or light blue




RH=35 %

Purple or purplish red




RH=90 %

Light red

Light red light

Purple or light red


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. 

Self-Indicating Blue Silica Gel
Self-Indicating Blue Silica Gel

Silica gel
1. Narrow pore silica gel, type A
2. Type-b silica gel
3. Wide pore silica gel, type C
4. Big wide pore silica gel
5. Super wide pore silica gel
6. Column chromatography silica gel
7. TLC (thin layer chromatography) silica gel
8. TLC silica gel plate
9. HPLC (High performance liquid chromatography) silica gel
10. Silica gel for beer
11. Fng water-proof silica gel (non-crack-up when it is put into water)
12. Silica acid
13. Active silica gel
14. Silica sol
15. Silica gel desiccant, silica gel sachet, silica gel bag: 0.5g, 1g, 2g, 3G, 4G, 5g, 10g, 20g, 30g, 50g, 100g, 500g, 1000g, etc.
16. High performance desiccant
17. Container use silica gel desiccant
18. Flowers drying desiccant
19. High performance & recycling cat litter
20. Cat litter
21. Changing color/indicator silica gel
22. Colorful silica gel
23. Fragrant silica gel
24. Blue silica gel
25. Orange silica gel
26. Toothpaste use silica gel
27. Cosmetic use silica gel
28. Edible additive silica gel
29. Silica Alumina Gel
30. Silica gel for construction material
31. Silica gel for insulator material
32. Silica gel tablet
@ SG01 series-narrow pore spherical silica gel@ SG02 narrow pore granular silica gel
@ SG03 Type B spherical silica gel@ SG04 Type B granular silica gel
@ SG05 wide pore spherical silica gel@ SG06 wide pore granular silica gel
@ SG07 wide pore micro spherical silica gel@ SG08 big wide pore granular silica gel
@ SG09 big wide pore spherical silica gel@ SG10 super wide pore silica gel
@ SG11 column chromatography silica gel@ SG12 high performance thin layer chromatography silica gel
@ SG13 thin layer chromatography silica gel plate@ SG14 liquid phase chromatography silica gel series
@ SG16 FNG water-proof silica gel@ SG17 silicic acid
@ SG18 series_active silica gel@ SG19 silica sol
@ SG20 silica gel desiccant@ SG21 high performance desiccant
@ SG26 color-changing & indicating cat litter@ SG127 blue granular silica gel
@ SG28 spherical blue silica gel@ SG29 orange silica gel ( indicator)
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