The Grafen Professional Polyurethane Sealant PU 50 is a one-component elastic polyurethane sealant designed for professional sealing and bonding applications.
After curing, it forms a durable, flexible joint resistant to weather, moisture, vibration, and mechanical stress.
PU 50 adheres excellently to concrete, ceramics, metal, wood, and plastics, suitable for both interior and exterior use.
Application
- Sealing of cement and ceramic surfaces
- Roof, terrace, and floor joints
- Sealing of concrete expansion and construction joints
- Bonding and sealing of flooring and structural components
Instructions for Use
- Ensure the surface is clean, dry, and grease-free.
- Cut the nozzle diagonally and apply the sealant evenly with a caulking gun.
- Smooth and press the joint for better adhesion.
- Allow to cure; curing time depends on layer thickness and ambient conditions.
Product Specifications
- Content: 300 ml
- Type: One-component polyurethane sealant
- Colour: Grey
- Density: 1.16 g/cm³ ± 0.03
- Main components: Xylene (≥5–<10%), Titanium Dioxide (≥1–<5%), Ethylbenzene (≥1–<5%), 4,4’-Methylenediphenyl Diisocyanate (≥0.5–<1%), Calcium Oxide (≥0.5–<1%), 4-Isocyanatosulphonyltoluene (Tosyl isocyanate) (<0.5%), Phosphoric acid (<0.5%)
- Storage: store in a dry, cool place in tightly closed containers at +5 °C to +25 °C, away from heat, sparks, sunlight, and open flame
- Shelf life: 12 months from production date
