Description
PENTENS PU-108 is a hydrophobic grout based on polyurethane. The gel-time of the product is adjustable by adding a certain percentage of PENTENS 30x accelerator. Upon contact with water PENTENTS PU-108 reacts to flexible closed cell rubber-like foam while expanding its volume up to 30 times. The cured flexible material is of a constant volume. Since water is not a component of the foam structure, the cured material is essentially not affected by water or dryness. The reacted material does not shrink or swell. Depending on the amount of accelerator added and the pressure of injection. PENTENS PU-108 reacts to a very dense and flexible material or foam.