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Concrete + Masonry
Product: ADVA 400 Admixture Series
Manufacturer:Grace Construction Products
The time-releasing polycarboxylate technology included in the 400 Series admixture has been tailored to maintain constant dialed-in slump flow for more than two hours without extended set, allowing for predictable transit and job-site workability, minimizing the need for slump-flow adjustment at the job site and reducing costs. graceconstruction.com

[Reader Service: February 2010 #204]