W.Win Primer


WWIN Primer is a dry powdered pump rimer and concrete pumping aid. It is conveniently sealed in a small
packet ready for use. WWIN Primer is unquieyformulated to improve pumpability of hard to pump harsh
concrete and grout concrete.


  • improves flow, range and pumpability
  • decreases wear and tear on equipment
  • reduces friction and pressure on the line
  • minimises slum and air loss in pump lines
  • reduces dewatering of concrete


  1. Mix one packet of WWIN Primer with 20L of water for a pumping distance of upto 30m. If the pumping distance is over 30m, please use 2 packets of WWIN Primer and 40L of water.
  2. Stir the mixture for approximately 4 minutes, until liquid thickens to a sticky texture
  3. Pour mixture into the hopper prior to pumping, make sure to discharge the water in the hopper first prior to pouring Wwin Prime mixture
  4. Pour concrete mix into the hopper and start pumping
  5. Dispose used WWIN-Primer


Product should be stored in a cool and dry location, away from contamination, deterioration and breakage.


W WIN Engineering reserves the right to alter the specifications at any time without notice.