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

Reduces heat of hydration.

Less ASR Risk

Minimises the risk of ASR in concrete containing reactive aggregates.

Reduced risk of cracking

Reduces the risk of early-age thermal cracking in large pours.

Water Demand

Reduced water demand.

Workability

Improved workability retention.

Reduced Bleeding

Pumpability

Improved 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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Fly Ash N
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