Description
Orange-to-Green Indicating Silica Gel combines moisture adsorption with a visible change of colour. It offers a practical refill option where operators need to inspect the condition of the drying medium, helping make routine servicing of compatible breathers and desiccators easier to plan.
The silica gel’s porous structure adsorbs water vapour, while its indicator changes from orange towards green as moisture is taken up. The colour provides a useful visual cue for maintenance. It should be interpreted using the supplied material’s guidance rather than as a calibrated humidity reading.
This type of material is used in transformer breathers, air-drying equipment and gas-drying applications. In a compatible transparent housing, the charge can be checked during routine inspections. Selection should account for the moisture load, operating environment and how readily the installed medium can be viewed.
When replacing an existing charge, confirm the required particle size, refill quantity and compatibility with the retaining components. Keeping the specified indicating medium helps maintain a consistent inspection routine. Our technical team can discuss the appropriate refill arrangement for your breather or desiccator and the packaging required.
Store the refill in its sealed packaging and open it close to the time of installation. Once the indicated service condition is reached, follow the equipment’s replacement procedure. If regeneration is appropriate, use the supplied grade’s instructions to protect both its drying performance and colour indication.
Further information
| Desiccant | Indicating Silica gel |
|---|---|
| Indicator Colour Change | Orange to Green |
Drawings available on request.
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