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| Home » Limestones » North
Indian Limestone
North Indian Limestone
Kota Blue
Kota
blue limestone have gained much popularity
because of its fine shade of bluish green
that adds liveliness to the surrounding.
This stone is preferred for flooring and
wall cladding, paving and facades of buildings.
It is mainly because Kota Blue has the
unique properties of limestones. This stone
is very tough, non water-absorbent, non-slip,
non-porous and have excellent stain removability.
Kota blue stones are available in variety
of finishes in different forms such as
tiles, slabs, cobbles and block. Blocks
and tiles can be cut to any size as per
the requirement of the clients. Edges are
honed to avoid possible damages during
transportation or application at the site. |
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Place
of Origin : Kota
Physical Properties
Physically, Limestone
are Quite impervious, Hard, Compact,
fine to very fine grained calcareous
rocks of sedimentary nature.
| Hardness |
- |
3
to 4 on Moh's Scale |
| Density |
- |
2.5
to 2.65 Kg/m3 |
| Compressive
Strength |
- |
1800
to 2100 Kg/cm2 |
| Water
Absorption |
- |
Less
than 1% |
| Porosity |
- |
Quite
low |
| Weather
Impact |
- |
Resistant |
Chemical Properties
Chemically, both limestone
and marbles are siliceous calcium carbonate
rocks.
| Lime
(CaO) |
- |
38-42% |
| Silica
(SiO2) |
- |
20-25% |
| Alumina
(Al2O3) |
- |
2-4% |
| Other
Oxides like Na, Mg |
- |
1.5
to 2.5% |
| Loss
On Ignition (LOI) |
- |
30-32% |
Limestone, like
marble and other calcareous stones, are
referred to as acid sensitive. Calcareous
stones are readily dissolved in acid,
therefore acidic products should not
be used on limestone and marbles. |
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Finishes
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