Orange Indicating Silica Gel


Typical Application

Silica Gel Breather & Pipeline Dryer


Silica Gel Breather
Pipeline Dryers
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This desiccant is the latest alternative to blue (cobalt chloride) indicating silica gel. It indicates an orange/yellow colour when active and changes to green when the desiccant becomes saturated.

As with non-indicating silica gel, the material is a refined form of silica which is produced by the reaction of a mineral acid, usually sulphuric, and a sodium silicate solution. The beads are impregnated with a safe organic indicator which changes colour as the desiccant becomes saturated. It is capable of adsorbing up to approximately 30% of its own weight of water from the surrounding atmosphere at 50% RH and 25°C.

This is produced in the beaded form and has a high dust attrition resistance. Also, the uniform bead size reduces gas flow channeling and minimizes pressure drop.

It may be reactivated for re-use by heating. However, after several reactivation cycles the material may disintegrate into powder. This in turn, reduces the adsorption capacity of the material. Please contact us for the specific reactivation procedure.

The adsorption capacity of this desiccant can be destroyed by contamination with dust, grease or petroleum products. Heating the material above 120°C will also reduce the adsorption capacity and destroy the impregnated colour change indicator.

Standard packaging in Plastic Pails with resealable lids – 5kg, 10kg, 15kg and 20kg Drums.


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5kg, 10kg, 15kg, 20kg


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    Orange Indicating Silica Gel
    $90.00$322.00Select options