Manufacturing process flow 1. Quarrying and Crushing
stacking the 9 raw materials which have been crushed in the crusher. limestone and shale which ... This mill at this time produces two types of cement namely Ordinary Portland Cement (OPC) and Pozzolana Portland Cement (PPC). OPC comprises 90%clinker, 5%additive (limestone) and 5 %( gypsum). PPC comprises 70% of clinker, 25-29%%
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