02035.10 1059 Section 02035 - Concrete Modifiers Description
02035.00 Scope - This Section includes the requirements for concrete modifiers used in portland
cement concrete. Materials
02035.10 Styrene-Butadiene Latex - Furnish latex concrete modifiers from the QPL that are a
nontoxic, film -forming, polymeric emulsion in water to which all stabilizers have been added at the point of manufacture. Latex modifiers shall be homogeneous and uniform in composition, and shall meet the following requirements: Polymer Type Stabilizers Styrene Butadiene Latex Nonionic Surfactants Portland Cement Composition Polydimethyl Siloxane Solids , % by weight, min. 46.0 Volume Density, lb/gal, min. 8.4 at 77 °F pH 9.0 to 11.0 Color White Latex that has not been stored according to the manufacturer's recommendations will not be accepted.
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