Silica Gel Self Indicating (Blue)


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A narrow pored beaded form of amorphous silica impregnated with cobalt dichloride.

The beads gradually change colour from deep blue in the dry (activated) condition to pink when
saturated with water.

Main applications are in breather units, desiccators and for general air drying

Used where freedom from dusting is important.

  • Desiccant
  • Absorption
  • In breather units
  • General air drying

Form:Dry flowable granules (Solid; Blue Beads)
Amorphous Silica: >98%
Cobalt (II) Chloride: <0.5%
Melting Point: > 1710 °C
Bulk Density: 700 – 750 kg/m3
Solubility: Insoluble in Water
Loss on drying at 145°C: Approx 2%
Water absorption capacity (24 hr.80% relative humidity): >32%

Hazard Phrases: May cause cancer . Harmful to aquatic life with long lasting effects.

Prec Phrases: Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF exposed or concerned: Get medical advice/attention. Store locked up.

Cas No: 112926-00-8
Einecs No: 231-545-4


Additional information

Weight N/A
Pack Size

250gm, 500gm, 1Kg, 2.5Kg, 5Kg, 10Kg