Slow Willie


Slow Willie is a powder retarder for concrete that is conveniently packaged in 500gm bags. Delaying the set time gives the operator greater control of the load. Slow Willie is a "must have" for any pumper's toolbox. 

 Works well with any mix design
 Delays approx 1 metre of concrete from setting up to 3 hours
 Will not affect structural strength of concrete


Slow Willie is a dry, powdered retarder for concrete conveniently packaged in easy-to-use one pound bags. It's easily mixed in with concrete during the placing operation giving you greater control. This must-have power concrete retarder saves you money and time. Delaying the setting time allows the operator time to reach proper clean-out locations. This pre-packaged retarder works well with any mix and will not affect structural concrete strength.

Slow Willie Instructions

Slow Willie MSDS


Concrete Pumping Equipment NZ Ltd

47 Main Road South, Levin

Phone: (06) 368 4044
Fax:     (06) 368 3232