Difference Between SS-1 and CSS-1 Bitumen Emulsion: Charge, Aggregate Match and When to Use Each The difference between SS-1 and CSS-1 comes down to one property: the electrical charge on the bitumen droplets. SS-1 is anionic, negatively charged. CSS-1 is cationic, positively charged. Both are slow-setting emulsions used for tack coats, prime coats and slurry […]
