Grades within scope
Flux-calcined diatomiteCoarser grades for higher flow rates.
Calcined and natural diatomiteFiner grades for polishing filtration.
Expanded perlite filter aidLower wet density grades for beverage, oil and industrial filtration.
Information reviewed before quotation
Liquid being filtered, filter type, incumbent grade, clarity target, flow rate, dosing method and annual usage.
Technical review
Permeability, wet density, median particle size, pH, moisture, loss on ignition, crystalline silica content and classification, and food-contact compliance where required.
Commercial basis
Quantity, bag and pallet format, origin, delivery basis, lead time and required TDS, COA and SDS documentation are set out clearly in the proposal.