The Grafen Professional Polyurethane Sealant PU 40 is a one-component elastic polyurethane sealant with excellent adhesion and long-term flexibility.
Developed for professional sealing and bonding applications, it forms a durable, weather- and moisture-resistant joint after curing.
PU 40 adheres perfectly to concrete, ceramics, metal, wood and plastics, for both interior and exterior use.
Application
- Sealing of cement and ceramic surfaces
- Roof, terrace and floor joints
- Expansion and connection joints in concrete
- Bonding and sealing of structural elements
Instructions for Use
- Ensure the surface is clean, dry and grease-free.
- Cut the nozzle diagonally and apply evenly with a caulking gun.
- Smooth and press for better adhesion.
- Allow to cure; curing time depends on layer thickness and conditions.
Product Specifications
- Content: 300 ml
- Type: One-component polyurethane sealant
- Colour: White
- 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 and sunlight
- Shelf life: 12 months from production date
