Koster IN 8 1C PU Injection Foam 5kg
KÖSTER IN 8 is a water-reactive polyurethane prepolymer. The product only reacts in contact with water and then spontaneously forms a firm, tough, elastic, waterproof polyurethane foam. Contact with water is required for curing and foaming reaction. After the reaction, KÖSTER IN 8 remains viscoelastic and is therefore able to follow crack movements and to permanently waterproof without an elastic solid polyurethane resin re-injection. KÖSTER IN 8 is hydrolysis-resistant. KÖSTER IN 8 can be accelerated by adding max. 10 % by weight of KÖSTER IN 8 Accelerator. The time until the material is tack-free is then only approx. 2.5 minutes.
Advantages
- The fast foaming effect stops water in seconds
- Very high expansion volume, up to 30 times
- Long pot life
- Resistant to hydrolysis and acid
- The material remains viscoelastic and is therefore able to follow crack movements
- Injectable on moist and water-bearing cracks
- Free of solvents and fillers
Fields of Application
For one-step and multiple step waterproofing of water-bearing cracks in concrete and masonry using the pressure injection method without reinjection with a solid resin. As a sealing injection in concrete and masonry.
- Stopping fast large water leakages with foaming action
- Waterproofing horizontal and vertical cracks
- Capable of filling voids
- Sealing wall-floor joints
- Create a flexible bond
Consumption Approx. 0.1 kg/l void
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