Blue Circle Fly Ash N
(BS EN 450-1:2005 – Fineness Category N)
Fly Ash N is a quality assured fly ash suitable for use in combination with Portland cement (CEM I) in concrete.
Contact our Customer Service team on 0845 812 6300
Email: customerservice@tarmac.com
Regional Order Numbers:
Scotland & North East England – 0845 4700 300
North & Midlands – 0845 4700 400
South Wales & South West – 0845 4700 500
London & South East – 0845 4700 600
Durability
Improves concrete durability.
Resistance
Less ASR Risk
Reduced risk of cracking
Water Demand
Reduced water demand.
Workability
Reduced Bleeding
Pumpability
Case Studies
Crossrail
Whitelee Wind Farm
Technical Information
Fly Ash N is available in bulk tankers throughout the United Kingdom.
Tarmac Fly Ash N is a quality assured fly ash conforming to BS EN 450-1 2005: Fineness Category N, with a loss of ignition less than 7% (LOI Category B). Fineness Category N Ash is a coarser ash than Category S Ash.
Tarmac Fly Ash N is a type II addition suitable for use in mixer combinations with Portland cement (CEM I) as defined in BS 8500: Concrete-Complementary British Standard to BS EN 206-1. Tarmac Fly Ash N is a type II addition suitable for use in mixer combinations with Portland cement (CEM I) as defined in BS 8500: Concrete-Complementary British Standard to BS EN 206-1.
The properties of concrete containing Tarmac Fly Ash combined with Portland cement (CEM I) will depend on the proportion of Tarmac Fly Ash.
Regional Order Numbers:
Scotland & North East England – 0845 4700 300
North & Midlands – 0845 4700 400
South Wales & South West – 0845 4700 500
London & South East – 0845 4700 600
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