Limestone is a naturally occurring and abundant sedimentary rock consisting of high levels of calcium and/or magnesium carbonate, and/or dolomite, along with minerals.
The general Production process of lime is shown below:
Adding Hydrated Lime helps the mud to achieve a strong Flexural bond strength when it dries. This is the strength of the mud that helps hold the bottles in place. Lime provides high water retention that allows for maximum early curing of the mud further cementing the tensile bond strength.
Lime also helps to minimise the potential for water penetration through: Low air content, a fine particle size, high plasticity and water retention contribute to excellent extent of bond for cement lime mortars. This eliminates easy migration paths for water penetration.
Hydrated lime also contributes to the Durability of the mud by increasing the flexibility and elasticity of it, which, subsequently enhanced the ability of the assemblage to accommodate stresses caused by building movement and cyclical changes without excessive cracking. Lime also adds the property of Autogenous Healing which acts to seal any hairline cracks that appear in the mud surface as the hydrated lime reacts with the carbon dioxide in the atmosphere and produces limestone which seals the crack.
Furthermore Hydrated lime is highly uniform and provides consistent consistent performance characteristics in the field.
'Hydrated lime'
'Hydrated Lime' packaged in 20 kg bags
http://www.graymont.com/applications_benefits_cement_lime.shtml
http://www.graymont.com/what_is_lime.shtml
http://www.lime.org/lime_basics/faq.asp
http://i00.i.aliimg.com/photo/v0/104707592/Hydrated_Lime.jpg
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