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Fresh Cement is obtained by intimately mixing together calcareous and argillaceous materials, burning them at clinker temperature up to about 1450 degree celsius, and grinding the resulting clinker (calcined product) at required fineness, and finally mixed with gypsum to obtain cement.
Composition:
Clinker 65% to 79%; Slag, Fly Ash, Gypsum 0% to 5%; Limestone 21% to 35%
Advantages:
- Higher durability of the concrete structure due to less permeability
- More resistance towards the attack of alkalis, sulphates, chloride, and chemicals
- Better workability
- Low heat of hydration
- Due to higher fineness, it has better cohesion with aggregates and makes concrete denser
- The required lower water-cement ratio increases the compressive strength of the concrete
- Better surface finish
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