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AASHTO MP 43-20
M00000770
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AASHTO MP 43-20 Standard Specification for Materials for Emulsified Asphalt Scrub Seal
standard by American Association of State and Highway Transportation Officials, 2020
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A scrub seal is the application of emulsified asphalt with a scrub broom followed immediately by an application of a single layer of cover aggregate. The treatment can be applied as a wearing surface or as an interlayer.AASHTO MP 43-20 specifies quality requirements for aggregate and emulsified asphalt for scrub seals.