Raw Gypsum Dealers in Murlidhar Vyas Colony, Bikaner (1 products available)

The deleterious constituents are mgo and nacl. The isi has standardised the specification (is: 1290-1973) for use of gypsum in the manufacture of export quality cement and other cement, the former requiring a higher content of caso4 2h2o than the the specification is as follows: (1) mgo 3.0% (max.) (2) caso4.2h2o 70-75 (80-85 for export quality cement) (3) nacl 1.5% (max.) we have caso4⋅2h2o =80%