Product Description

900-MV-5-galPrime Flex 900 MV polyurethane resin is a medium viscosity, single-component resin that reacts with water and expands to form a closed cell, watertight foam. This hydrophilic grout is typically injected under pressure to seal actively leaking joints and cracks in concrete structures. Its viscosity makes it a good choice for wide cracks or joints.

Recommended Uses

  • Injecting cracks, expansion joints, wide cracks, pipe joints or pipe penetrations
  • Sealing active leaks in above- or below-grade concrete structures

Typical Areas of Use

  • Water treatment tanks
  • Dams
  • Below-grade concrete walls
  • Tunnels
  • Manholes
  • Elevator service pits

Advantages

  • Single-component. No catalyst or accelerators needed
  • Pump material straight out of the pail
  • Extremely tough and flexible. Can expand and contract parallel to the crack in varying temperatures
  • Up to 600% expansion (unconfined)
  • Medium viscosity for wide cracks and joints

Cured Characteristics

This one-component liquid has a medium viscosity, allowing it to seal wide cracks and joints. When the material contacts water, it reacts to form a white, flexible gel-like foam that acts as a barrier, sealing the cracks that allowed water to leak.

As the foam reacts, it expands to fill the space and bond to the concrete to hold it in place, creating a closed cell mass that does not allow water to pass through or around it. The foam’s flexibility allows it to expand and contract along with the structure it has sealed, so it remains water tight despite temperature fluctuations.

Packaging

5 gallon pail
(packaged under a dry nitrogen blanket)

Made in the U.S.A.

 

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