Mainly applied in ocean oil wells as completion fluid, stationary liquid and workover fluid. GradeGradeGradeAppearanceWhite partical or lumpy crystal Colorless or light yellow transparent liquidColorless or light yellow transparent liquidAssay, %96.0MIN52.0 MIN52.0 MINChlorides, %0.2MAX0.1 MAX10MAXSulphates, %0.05 MAX0.05 MAX0.05 MAXInsolubles, %0.3MAX1.5 MAX1.5MAXPH Value6.5-9.5 4.5-7.54.5-7.5