Indian Standard Sand - Technical Details
(Comparative Study of Indian Standard Sand, Ennore with Leighton Buzzard and Ottawa Sand)

Properties

Ennore Sand

Leighton Buzzard Sand

Ottawa Sand

1

Physical properties:

Colour

Grayish White

Light Gray

Colouriess

Specific gravity

2.64

2.65

2.63

Absorption in 24 hours

0.80%

0.30%

--

Shape of grains

Subangular

Subround

Round

II

Chemical Properties

5) Chemical analysis
SiO2
Al2O3
Fe2 O3
CaO


99.30%
--
0.10%
--


99.58%
0.27%
0.30%
0.22%


97.40%
Traces
Traces
Traces

Loss on extraction with hot HCI

0.11%

0.13%

0.24%

Loss on Ignition

-

0.13%

0.24%

III

Pertrographic analysis:

Quartz

97.40%

Nearly 100%

Nearly 100%

Feldspar

2.50%

Traces

--

IV

Compressive Strength:

3 days curing

160 Kg./Sq.Cm.

105 Kg./Sq.Cm.

112 Kg./Sq.Cm.

7 days curing

220 Kg./Sq.Cm

131 Kg./Sq.Cm

125 Kg./Sq.Cm

 
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