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RESINBAU · INJECTION SYSTEMS
A true one-component hydrophobic polyurethane resin that reacts with moisture to form a flexible closed-cell foam. No accelerator is required. Designed for flexible crack sealing and minor water leaks.

| System | PU 1K |
|---|---|
| Viscosity at +20°C | ~450 mPa·s |
| Working time at +20°C | 40 min |
| Expansion with 18% water | ~830% |
| Reaction with 18% water at +23°C | 25–120 s |
Source: ResinBau 2026 catalogue. Values apply to the stated test conditions. Select the injection method and mixing procedure according to the current product technical data sheet.
| Packaging | 5 kg, 10 kg, 20 kg, 215 kg |
|---|