Spetec PUR GT350 is an MDI based hydrophilic, one-component flexible polyurethane injection resin for waterproofing. For similar products, see the page on Leak Seal.
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Applications
Shut off water leaks in concrete, brickwork and sewers where movement and settlement may occur.
Water cut-off of water leaks in foundations such as diaphragm walls, piling sheets and secant piles.
Sealing water-carrying cracks and joints in tunnel segments.
Curtain grouting behind tunnel, concrete, brickwork and sewer walls.
Injection of failing membranes and liners in tunnels and buildings.
Advantages
One component hydrophilic PUR resin, additional waterproofing due to post-expansion.
Fast reaction with an immediate increase of viscosity.
Can be injected as 1 component or 2 component in combination with water, maximum amount of water = 200%.
Foam factor 6-8x.
Cured polyurethane is highly flexible, ideally suited for structures where a high degree of settlement and movement can occur.
Cured polyurethane is harmless for the environment and resistant to biological attacks.