AASHTO TP 96-11 PDF
Standard Method of Test for Protective Sealers for Portland Cement Concrete
standard by American Association of State and Highway Transportation Officials, 2011
This method covers test methods and selection criteria for prequalification of sealers for protecting new concrete or prolonging the life of sound in-service concrete used in highway structures. Sealer testing and evaluation for, routine and job site product quality assurance, field performance and reapplication are provided in PP 73, “Standard Practice for Quality Assurance, Job Site Quality Control, and Reapplication of Protective Sealers for Portland Cement Concrete.”
Sealers are divided into two basic types: coatings, which remain on the surface; and penetrants, which penetrate into the concrete to some measurable depth and do not substantially change the appearance of the concrete.
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