Specification of Hard Burnt lime

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Specification of Hard Burnt lime

Astra Mining limestone is “Astra Lime”
Astra Limestone is characterized by from the previous one, which it slowly reacts with water and uses in brick industry.

HARD BURNT LIME SPECIFICATION

CHEMICAL SPECIFICATION
Active Calcium Oxide CaO 85% MINIMUM
Carbon di Oxide - CO2 3% MAXIMUM
Silicon di Oxide -SiO2 & Acid insol 2% MAXIMUM
Magnesium Oxide - MgO 1,5% MAXIMUM
Al2O3 0.3% MAXIMUM
Fe2O3 0.2% MAXIMUM
S 0.15% MAXIMUM
P 0.1% MAXIMUM

PHYSICAL SPECIFICATION

 

1- PARTICLE SIZE FINE POWDER 90% < 75 Micron
2-REACTIVIT T60 - 8-15 min

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