| Description:
Milled or crushed limestone discards (of light or packed limestone) shall be used for production of the semi-finished product. The semi-finished product is used as an additive in groceries (a preservative, improving agent, etc.), in pharmaceutical industry (calcium, toothpaste). The semi-finished product shall fulfil standards required by manufacturers of food and pharmaceuticals.
Technical Specifications / Specific technical requirements:
Physical and chemical properties of light limestone:
- Standard absorbability: 11.2 %
- Freeze resistance (25 cycles) - without any damage
- Apparent density: 1.81 g/cm3
- Porosity: 28.6
- Coefficient of thermal conductivity: 0,434 kcal/mhoC
Chemical composition: CaO - 52,36%; SiO2 - 3,17%; TiO2 - 0,2%; Al2O3 - 0,27%; Fe2O3 - 0,23%; MnO - 0,005%; MgO - 0,73%; Na2O - 0,17%; K2O - 0,08%; P2O5 - 0,245%; SO3 - 0,04%; Cl - 0,009%; F - 0,19 %
Physical and chemical properties of Morawica packed limestone:
- Standard absorbability: 1.03 %
- Freeze resistance (25 cycles) - without any damage
- Apparent density: 2.64g/cm3
Chemical composition: CaO - 52,48%; CO2 - 40,09%; SiO2 - 3,21%; Al2O3 - 0,63%; Fe2O3 ~0,5%; MgO - 0,74%; Na2O ~0,03%; K2O ~0,04%; P2O5 ~0,03%; SO3 - 0,25%;
Physical and chemical properties of Bolechowice packed limestone:
- Standard absorbability: 1.03 %
- Freeze resistance (25 cycles) - without any damage
- Apparent density: 2.69 g/cm3
Chemical composition: CaCO3 ~96,9%; CaO ~52%; SiO2 ~1,7%; MgO ~0,72%; SO3 ~0,06%; R2O5 - 0,96%
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