Bitumen Emulsion (grade Ss - 2) is Manufactured for Prime Coats, Fog Seals, Tack Coats, and Dust Palliatives. Before Application to Field, the Slow Setting Bitumen Emulsion (grade Ss - 2) Can Be Diluted. advantages high Penetration from Cracks and Crevices Consuming Low Temperature, provides Strong Binding of Loose Aggregates, cost-effective, easy Application.