G4-Primer
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G 4 is a solvent-based single-component polyurethane resin.
The resin cures when exposed to air humidity and is applied in thin layers.
Excellent adhesion to concrete, stone, and wood.
After curing, G 4 has good mechanical properties, including wear resistance and toughness.
G 4 has high resistance to numerous chemicals, including acids, alkalis, and various solvents.
Application
- Adhesive primer for GRP cladding on wood.
- Adhesive layer for PU top coats on concrete floors.
- Sealant for dusty concrete floors.
- Binder for quartz sand.
- PU varnish for paper, textiles, etc.
- The standard consumption per coat is approx. 200 g/m².
- G 4 cures well. Curing depends on the processing temperature and humidity.
- G 4 is tack-free after 2 to 4 hours.
Notes:
For commercial users only. In accordance with the EU REACH Regulation, all users are required to undergo training in the handling of diisocyanates.
Training courses can be found at this link: TÜV Rheinland Training Diisocyanates (e-learning)