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PRODUCT DATA SHEET 9cp applied technologies RECOVER° Hydration stabilizer ASTM C494 Type D Product Description Recover8 is a ready-to-use aqueous solution of chemical compounds specifically designed to stabilize the hydration of Portland cement concretes. The ingredients are factory pre-mixed in exact proportions under strict quality control to provide uniform results. One gallon weighs approximately 9.6 Ibs (1.15 kg/L). Uses Set Time Control Recover is used to stabilize mixer wash water and returned or Recover is also used in situations where a controlled set time leftover concrete for extended periods, allowing for use of extension is required. Examples include: extended hauls, large the materials when specified or allowed. It is also used where continuous pours or pre-batching of concrete for later use. controlled extended set of concrete is needed. It is the concrete user's responsibility to determine if leftover, returned or Performance extended-set concrete is specified or allowed. Recover stabilizes the hydration process of Portland cement Wash Water preventing it from reaching initial set. This stabilization is not permanent and is controlled by dosage rate. For wash water, For wash water applications, Recover is used to eliminate the the Recover treated water is mixed or sprayed in a specific need to discharge wash water from the mixer. This allows the manner to thoroughly coat the interior of the mixer.The water is wash water to be used as mix water in the next batch of concrete used as mix water in the next batch of concrete produced,which produced and prevents the residual plastic concrete from hardening. then scours the unhardened material from the interior of the Stabilization of up to 96 hours is possible depending on dosage mixer. Stabilization of returned or leftover concrete with Recover rate. maintains the plasticity of the concrete for the desired storage duration. This stabilized concrete then resumes normal hydration Returned Concrete when the Recover dosage effects subside,or when it is activated For returned or leftover concrete, Recover is used to prevent by the addition of fresh concrete and/or an accelerator.The result plastic concrete from reaching initial set.This allows the concrete can be concrete with normal plastic and hardened properties. to be stored in a plastic state and then used when specified or allowed. The use of this concrete may require the addition of Addition Rates freshly batched concrete and/or an accelerator such as Daraccel® or PolarSet®. Addition rates of Recover for wash water range from 6 to 128 fl oz (180 to 3800 mL) per treatment. The amount used will depend Stabilization of concrete for up to 96 hours is possible depending on the specific materials involved, mixer type and stabilization on dosage rate.Use prevents the waste of unused concrete. period. Addition rates for returned or leftover concrete will range from 3 to 128 fl oz/100 Ibs(195 to 8350 mL/100 kg)of cement. The amount used will depend on the specific materials Product Advantages involved, concrete age, temperature conditions and stabilization period. For applications requiring set time extensions well in • Eliminates the need to discharge wash water excess of 4 hours, Recover may be used at addition ranges from from the mixer 5 to 50 oz/100 Ibs (325 to 3260 mL/100 kg) of cement For • Prevents the waste of unused concrete use as a traditional ASTM Type D retarder, Recover may be used at addition rates of 2 to 6 oz/100 Ibs (130 to 390 mL • Provides predictable extended set for continuous /100 kg) of cement. Proper dosage rate selection can only be placement on mass concrete and tremie projects, achieved through pretesting. Consult your local GCP Applied or on long hauls to remote sites Technologies admixture representative.