2. Manufacturing
2.1 Dense silico-calcareous
The following materials are used:
0 / 5 mm clean sand, some of which (5 to 10%) can be ground to a fineness of around 1,000 to 2,000 cm 2 / g (Blaine fineness);
-
quicklime CaO. The ratios are as follows (by mass):
fine sand: 12,
quicklime CaO : 1 ;
water: around 4 to 8% of the mass of dry matter;
colorants (possibly): pigments consisting of metal oxides.
The mixture of quicklime + sand + water is homogenized and then passed through reactors.
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Manufacturing
Main properties and uses
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