RheoTEC Z-60 is designed to improve batch-to-batch consistency. Engineered for architectural concrete, self-consolidating concrete, high-strength concrete, and fiber-reinforced concrete projects, it provides flexible levels of workability retention, resulting in fewer rejected loads. The admixture meets requirements of ASTM C494/C494M Type S, Specific Performance. BASF Construction Chemicals. 800-628-9990. www.basf-admixtures.com