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Fly Ash

Classified and Unclassifed

An ultra fine powdery residue (smoke) obtained from any carbon burning process.

Class N Fly Ash (UCFA)

A more granular product Fly of Ash product which is derived directly from the combustion process

Unclassified Fly Ash

Used as a partial cement replacement when making concrete or cementitious products, because of its granular properties it offers a slower reaction to the solution.

  • Alumina - Silicates consisting mainly of SiO₂͵ AL₂O₃͵ CaO͵ Fe₂O₃

Class S Fly Ash (CFA)

Finer Ash which further selected/Split from the classifier

Classified Fly Ash

Used as a partial cement replacement when making concrete or cementitious products, because of its Finer properties it offers an accelerated reaction to the solution.

  • Alumina - Silicates consisting mainly of SiO₂͵ AL₂O₃͵ CaO͵ Fe₂O₃