[Benedetto]

How does emulsion asphalt sealer performance depend on solids content and particle size distribution?

[Bradley]

Solids content largely defines how much cured binder remains after water evaporates, so higher solids generally improves film build per pass, durability, and resistance to tracking if cured properly. Particle size distribution affects how uniformly the sealer lays down and how fast it coalesces into a continuous film. Too coarse a distribution can cause rough texture and weak points, while ultra fine systems may cure slower and be more sensitive to moisture. Industrial specs often target a balanced PSD that sprays well and forms a dense residue.

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