AASHTO M 224-91 (2019)
AASHTO M 224-91 (2019) Standard Specification for Use of Protective Sealers for Portland Cement Concrete
standard by American Association of State and Highway Transportation Officials, 1991
Full Description
This guide includes the selection factors for and use of protective sealers for highway purposes to be applied to hardened concrete for the purpose of protecting new concrete or prolonging the life of sound, in-service concrete. Information in this guide is not applicable to the repair of badly deteriorated concrete.Sealers may be divided into two basic types: coatings, which remain on the surface; and penetrants, which penetrate into the concrete to some measurable depth.
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SAE AS22759/33
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