Portland cement is a type of hydraulic cement, which means it sets and hardens by reacting with water. It is the most common type of cement used globally for building and construction projects. Portland cement is made by heating limestone (calcium carbonate) with other materials, such as clay, to a high temperature in a kiln to form clinker. The clinker is then ground into a fine powder and mixed with a small amount of gypsum to regulate the setting time.
Specifications:
1. Chemical Composition:
– Calcium Oxide (CaO): 60-67%
– Silicon Dioxide (SiO2): 17-25%
– Aluminum Oxide (Al2O3): 3-8%
– Iron Oxide (Fe2O3): 0.5-6%
– Magnesium Oxide (MgO): 0.1-4%
– Sulfur Trioxide (SO3): 1.5-4.5%
– Loss on Ignition: 0.5-1.5%
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