The Grafen PU25 Polyurethane Sealant 600ml Grey is a professional one-component polyurethane sealant with excellent adhesion, long-lasting flexibility, and high weather resistance.
Designed for construction, assembly, and industrial sealing applications where movement and durability are required.
Once cured, it forms a durable, elastic, and waterproof joint, resistant to vibration, mechanical stress, moisture, and temperature variations. The grey colour is ideal for concrete and metal structures.
Application
- Sealing joints in concrete, steel, and wooden structures
- Bonding panels, profiles, and building components
- Suitable for façades, floors, windows, and doors
- For interior and exterior use
Instructions for Use
- Ensure the surface is clean, dry, and free from dust, oil, and grease.
- Insert the 600ml foil sausage into a pneumatic or manual sealant gun.
- Cut the nozzle diagonally to the desired joint width.
- Apply evenly and press firmly into the joint.
- Smooth immediately with a suitable tool.
- Allow to fully cure before painting or loading.
Product Specifications
- Content: 600 ml (foil sausage)
- Colour: Grey
- Type: Polyurethane sealant
- Application temperature: +5°C to +40°C
- Temperature resistance: -30°C to +80°C
- Skin formation: approx. 60 min
- Curing rate: 2–3 mm / 24h
- Shore A hardness: approx. 25 → soft-elastic – flexible and vibration-absorbing
- Shelf life: 12 months from manufacturing date
