Grades within scope
Orange to green indicatingCobalt-free, for transformer breathers and air drying.
Non-indicating gradesFor packaging and general drying duties.
Bead sizesTypically 1-3 mm and 3-5 mm, subject to the application.
Information reviewed before quotation
Application, breather or vessel type, required colour change, bead size, quantity and replacement frequency.
Technical review
Adsorption capacity at stated humidity, indicator colour change and its test basis, moisture as supplied, bulk density and confirmation that the indicator is cobalt-free.
Commercial basis
Quantity, moisture-resistant packaging, origin, delivery basis, lead time and required TDS, COA and SDS documentation are set out clearly in the proposal.