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Fly Ash 450-N (25kg)
Cemex
- Typical delivery £8.95 + VAT typical delivery, Estimate Delivery
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- Suitable for Non-Hydraulic Lime Mortar
- Pozzolanic Additive
- Accelerates Curing
- BS EN 450-1:2005
- Fineness Category N
- Waste Byproduct from Power Plants
Product Details
Cemex Fly Ash 450-N is suitable for use in non-hydraulic lime mortars to induce a hydraulic set and accelerate the setting process.
The material a by-product of the combustion of higher-ranking coals (and permitted co-combustion materials) for electricity generation and has been generally known in the UK as pulverized-fuel ash (PFA).
Fly ash is a fine powder consisting of mainly spherical particles composed of alumino-silicate glass. Expressed as major oxides, it is approximately 50% silica and 26% alumina.
450-N conforms to the normal fineness (N) Category of BS EN 450-1, whilst still meeting the requirements for Loss on ignition Category B (2-7%). The maximum permitted residue on a 45ยต sieve is 40% but test results on the product would normally be well within this limit. The powder has a bulk density normally in the range of 800-1000 kg/m3.
Technical
- Specification
- BS EN 450-1 2005
- Fineness Category
- N
- LOI Category
- B
- Loss of ignition
- < 7%
- Weight
- 25kg (approx.)