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FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

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Section 711.) CONCRETE CURING MATERIALAND ADMIXTURES711.01 Curing Material. Conform to the following:(a) Burlap cloth AASHTO M 182(b) Waterproof paper AASHTO M 171(c) Polyethylene film AASHTO M 171(d) Liquid membrane forming compounds AASHTO M 148711.02 Air-Entraining Admixtures. Conform to AASHTO M 154. Forstructural concrete, furnish air-entraining admixtures classified as vinsol resinor neutralized vinsol resin.711.03 Chemical Admixtures. Furnish water-reducing, set-retarding, andset-accelerating additives, or combinations thereof, conforming to AASH-TO M 194. Do not combine chemical admixtures together into a mixtureunless they are compatible. Furnish supporting documentation of compatibilityfrom the manufacturers. Do not use chloride accelerators.711.04 Latex Modifier. Furnish a homogeneous, nontoxic, film formingpolymeric emulsion with stabilizers added at the point of manufacture. Conformto the following:(a) Colorwhite(b) Styrene butadiene polymer type 68±4% styrene32±4% butadiene(c) Chlorides 0%(d) Polymer particle size1,500 to 2,500 Angstroms avg.(e) Emulsion stabilizersanionic and non-ionic surfactant(f) Solids 46.5 to 49.0%(g) Mass8.40 to 8.55 lbs/gal(h) pH 9 to 13(i) Shelf life2 years min.709

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