CSS-1h emulsion bitumen is a cationic emulsion produced with hard bitumen. CSS-1h bitumen emulsion is usually made by passing a mixture of hot bitumen and water phase between a rotating disc, cone or wheel and a stator.

CSS-1h Emulsion Asphalt is a cationic slow-set bitumen emulsion containing 57% bitumen, black in color and manufactured strictly according to ASTM D 2397M-13.

Application of CSS-1h emulsion bitumen
Applications of bitumen emulsion CSS-1h are:

Cold asphalt mixture: both with dense granulation and with sand
Mix in place

Slurry sealing and microsurfacing