Stone Aggregate Buy Online

Aggregates belong to the class of inert granular materials such as sand gravel or crushed stone that along with water and cement is a necessary ingredient in concrete.To have a good concrete mix aggregates are required to be clean hard and strong while at the same time particles must be free of absorbed chemicals or coats of clay and other undesirable fine materials that may cause the deterioration of concrete with time. Aggregates in general account for 60 to 75 percent of the total volume of concrete and perhaps lays the foundation of a strong base for it. Aggregates are divided into two categories fine and coarse. Fine ones in general consist of natural sand or crushed stone with most particles being able to pass through a 9.5 mm sieve. Coarse aggregates are a bit bigger in size and this category is defined as particles greater than 5 mm but generally the range is between 9.5 mm and 38 mm in cross-sectional diameter. Gravels constitute the majority of coarse aggregate used in construction by being mixed with concrete and the rest of the volume is comprised of crushed stone.



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