[Honoré]

What laboratory and field tests are performed to verify asphalt emulsion quality?

[Rafael]

Labs typically test viscosity, residue or solids content, sieve residue for oversized particles, storage stability, demulsibility or related stability tests, pH, and particle charge for ionic classification. Specifications often include residue properties such as penetration, softening point, ductility, elastic recovery for modified grades, and distillation or evaporation residue checks. Field verification includes spray calibration using density, uniformity checks across the spray bar, break time observation, and adhesion or chip retention trials for surface dressing. For contractors, test strips are the fastest way to confirm break and bond under real temperature and moisture conditions.

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