[John]

What performance criteria define “best” asphalt emulsion sealers from a contractor perspective?

[Joep]

Contractors judge “best” by predictable curing, strong adhesion, and durable film build under real weather and traffic conditions. Key criteria include consistent solids content and residue quality, good leveling without streaks, resistance to tracking after cure, and tolerance to minor surface moisture. For crack and movement areas, elastic recovery and flexibility are important, often needing polymer or rubber modification. Practical factors matter too: compatibility with standard sprayers, low clogging tendency, stable storage without separation, and clear application rates that deliver repeatable coverage and lifecycle performance.

[Author]

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