CRYST INJECT FOAM® is a flexible, water-reactive polyurethane injection foam system designed to be fast foaming resin, which is used as a water stopper permanently against strong water flow. CRYST INJECT FOAM® is typically used to repair cracks or failed joints in concrete structures, and tunneling to seal fractures in rock formations. Component B serves as a catalyst and adjusts the reaction time. A lower dosage leads to a prolongation of the reaction time. In contact with minimal amounts of water, CRYST INJECT FOAM® reacts very fast to foam with closed cellular pores and shape-retaining hard flexible PU foam. After curing the material does not shrink due to wet/dry cycles. CRYST INJECT FOAM ® has excellent penetrates deep in fine cracks to seal water and moist cracks permanently, making a watertight system.

CRYST INJECT FOAM® is recommended to stop strong water flow in cracks, big gaps, voids, and joints for concrete structures, brickwork, and natural and artificial stonework.

Typical areas of application are e.g., tunnels, basements, diaphragm walls, manholes, elevator pits, reservoirs, sewage tanks, water tanks, pools, soil stabilization, etc.

  • Permanent watertight solution.
  • Used as a one-component system.
  • Long processing time when a mixed component is kept in closed condition.
  • High volume expansion within a few seconds is more than 30
  • Reacts only in contact with water and humidity.
  • Phthalate plasticizer-free.
  • Good chemical resistance.
  • Excellent adhesion to wet surfaces on mineral building materials, rocks, metal, and certain plastics.
  • Shape-retaining does not shrink after curing.
  • Low viscous that can penetrate deep in fine cracks.
  • Reaction time adjustable.
  • Stops pressurized water.
  • Ideal for potable water.

Component A (Resin): 20 ltr metal canister
Component B (Catalyst): 2 ltr metal canister