NippoJECT PU GEL 1K is a one-component injection gel formulated from crosslinking PU and water-absorbing technology. NippoJECT PU GEL 1K absorbs and reacts with water from the leakage in the structure to form a chemically-resistant, resilient and tough gel material that instantly arrest water seepages. When it is cured, it is resistant against aggressive chemicals such as xylene, diesel and sulphuric acid which is commonly found in tunnels and sub-structures. Furthermore, in the presence of these chemicals it will retain its ability to expand and acts as active plug in the cracks.
NippoJECT PU GEL 1K resists heat up to 70°C with no significant signs of degradation. NippoJECT PU GEL 1K able to absorb water from 0.2 times up to 10 times of its volume. The gel structure varies from a soft gel (in the presence of 10 times of water) to a resilient gel (in the presence of 0.2 times of water), ensuring a complete sealing method that quickly stops water leakage and plugging the end with the use of only one single material.
NippoJECT PU GEL 1K has controlled and consistent gelation time with water, of about a minute upon contact. This will allow the injected resin deep penetration, and flow into adjacent and connecting cracks which are not leaking yet, and sealed them even before they pose problem later.
It is a much lasting and easy to use solution for restoration or remedial work in structures with cracks of mild to serious leakages. It is applied with a single injection pump, and there is no need for complicated mixing of accelerators and catalysts in conventional PU and acrylate-based gel materials.
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