Usually the stripping begins at the bottom of the asphalt layer and moves upward until the pavement structure is weakened.
Cracks appear under traffic, and in advanced stages, the pavement begins to disintegrate.
Boiling water test with the same mix, but the asphalt has been treated with Akzo Nobel's liquid anti-strip. Hot Mix Asphalt binds poorly to most aggregates. For over forty years, Akzo Nobel has been the main supplier of adhesion and anti-stripping additives for asphalt. The equipment used to blend them is simple and reliable. Anti-stripping additives not only reduce water susceptibility, but they also reduce age hardening of asphalt.