Raw Material Preparation
Raw Material Broken Stone / Aggregate.Aggregates are the main materials used for surface layer of pavement or concrete, this aggregate is obtained from the mining of rocks in the rivers, then the stones are processed through Stone crusher cracking machine that produces several types aggregate in accordance with the desired. In the construction work according to SNI (Satandar Nasional Indonesia) standard on the use of aggregate produced is aggregate with size 1, 1/2, ¾ inch, and stone ash in general, which is kept in the warehouse to be stock and partially stored in raw material container bin for the manufacture of bitumen of concrete in AMP unit (Asphalt Mixing Plant)
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