FlexFill Free Flowing Earth Contact (Coke Breeze) Backfill by Loresco

FlexFill Free Flowing Earth Contact (Coke Breeze) Backfill by Loresco
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Loresco type FlexFill is designed for use around continuous, long-line impressed current anodes. FlexFill is the result of extensive laboratory testing combining the rugged requirements of field installation with the demanding performance characteristics required for long-line anodes.

The production of FlexFill begins with the critical selection of a base carbon material which meets exacting standards. Calcination of the base material is strictly controlled according to Loresco quality control standards. Sizing of FlexFill during the manufacturing process is also carefully controlled to meet the requirements of conductive backfill used with long-line impressed current anodes. All surfaces of FlexFill are modified with a conductive coating which maximizes the electronic flow between FlexFill and the long-line anode. In effect, this maximizes the life of the anode.

FlexFill is a performing backfill medium designed specifically for use with impressed current long-line anodes. Advanced particle selection technology, enhanced surface modifications and rigid production controls all combine to ensure that FlexFill surpasses your performance requirements.


  • Fixed Carbon: 99.25%
  • Ash: 0.25%
  • Moisture: 0.50%
  • Volatiles (950°): 0.0%
  • Bulk Density: 68 lbs. per cubic foot
  • Particle Shape: Predominantly round
  • Particle Surface: All particles are surface modified for maximum electronic conductivity
  • Particle Sizing: 90% between 1 mm and 5 mm
  • No de-dusting oils are allowed during particle manufacturing.


FlexFill is shipped in fifty (50) pound (22.7 kg) coated, woven polypropylene bags. Pallets are available with 45 bags per pallet. Proven export packaging is available. Bulk bags are also available.