Cobalt-chloride indicating blue crystals in a coarse grade, changing to light blue and then pink as they load.
Bulk Silica Gel
Large crystals for breathers and bulk enclosures
A coarse-graded indicating blue crystal intended for breathers and larger enclosures, where big granules give low pressure drop and remain individually visible through a sight glass. Cobalt chloride based; changes from blue to light blue and on to pink.
| Type | Indicating blue crystal, coarse grade |
|---|---|
| Indicator | Cobalt chloride based |
The indicator reports its own condition — no weighing, no fixed replacement schedule.
Blue → Light pink
Via light blue
Send us your enclosure size, quantity and destination. We will confirm the right grade, pack size and lead time — and tell you if a different product would serve you better.
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Self-indicating desiccant
Cobalt-chloride indicating gel that shifts from deep blue to light pink as crystals, or blue to white as beads, telling you at a glance when it needs changing.
Changes colour when spent — no guesswork on replacement
Silica gel breather assembly
Clear-view and aluminium-bodied breathers with indicating silica gel, for transformers, hydraulics and fuel storage.
Regenerable in service — heat for two hours and refit
Self-indicating range
The complete indicating range side by side — orange cobalt-free beads, blue crystals and blue beads — so you can pick the end-point behaviour that suits your enclosure.
Three indicator chemistries, one specification sheet
Talk to our experts
Send us the product, the enclosure, the route and the storage period. You will get a desiccant type, a dose and a format back — not just a price list.