Ecoright Lime Putty - 3 months old

Price excludes vat
Condition: New
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A high calcium Buxton non hydraulic lime, slaked and sieved right here at Old House Store. This product is sold under our group brand name EcoRight

We only use the finest Buxton Quicklime, and this same product is used for all our pre-mixed non-hydraulic (wet) products. All of our lime putty is tested by Buxton lime to the European EN459-2-2001 standard and is supplied for sale in 15ltr tubs or 675kg IBC bulk bags.

Limestone (Calcium Carbonate – CaCO3) is burnt in a kiln giving off Carbon Dioxide (CO2) gas and forming Calcium Oxide (CaO) which is commonly known as Quicklime or Lumplime. It needs to be burnt at 900-1100°C to ensure a good material is produced. The resulting lime is at its most volatile and dangerous at this stage.

Lime Slaking
The Burnt Lime or Quicklime is then combined with water (slaked) as quickly as possible. Combining Quicklime (CaO) and water (H20) produces Calcium Hydroxide (Ca(OH)2 - slaked lime and heat.* We combine it with an excess of water which produces a putty. It is also known as non-hydraulic lime because it requires exposure to air in order to carbonate and does not set under water

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