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pozzollana and gypsum pozzollana and gypsum sand making machine

pozzollana and gypsum pozzollana and gypsum sand making machine

Aug 07 2018 · This clinker is now mixed with gypsum and pozzolana materials in the required proportion and thus the Portland Pozzolana Cement is obtained Properties of Portland Pozzolana Cement Initial setting time 30 min minimum Final setting time 600 min maximum At 3 days 13MPa minimum At 7 days 22 MPa minimum At 28 days 33 MPa minimum

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