Calcium oxide is used as an expansive additive in oil & gas well cementing to ensure zonal isolation and excellent bonding between the cement and the casing.
Dead burnt magnesite is used as an expansive additive in oil & gas well cementing to ensure zonal isolation and excellent bonding between the cement and the casing. It is ideal for use in temperatures above 85 °C. Bisley supplies various grades to meet your desired specifications.
