Physical state -Soapy liquid, miscible with water Density at 25 degC -1.0- 1.10 pH of 1% solution - 7.5-10.5 Emulsion Stability test : i) Immediate Separation - Should be Nil ii) After 24 hrs - < 5.0 ml Mud L/C - 0.20 Max Foaming Tendency: Increase in volume (%) - 5% max
