Kraft Joint PU 25 mastic is a one-component polyurethane adhesive and sealant in the form of a thixotropic paste that becomes elastic when exposed to atmospheric air. It is used to seal and bond similar and dissimilar materials in buildings, in both vertical and horizontal joints. It adheres to ceramic, cement, glass, wood and galvanized sheet metal, and is suitable for joints subject to extensive movement.
The mastic is self-supporting, can be painted with standard paints and is certified to EN 15651. It is not suitable for continuous contact with water.
- Type: Polyurethane adhesive and sealant mastic
- Packaging: Cartridge
- Volume: 310 ml
- Colour: White
- Components: One-component
- Form: Thixotropic paste
- Substrates: Ceramic, cement, glass, wood and galvanized sheet metal
- Elasticity: High
- Mechanical strength: High
- Resistance: To UV radiation and moisture
- Recovery capability: Over 90%
- Service movement capability: 25%
- Hardness: Shore A 30±3
- Specific gravity: 1.27 g/ml
- Skin formation time: 120–240 min at 23°C and 50% RH
- Curing rate: 2–3 mm / 24 h at 23°C and 50% RH
- Tensile strength at break: 0.82 N/mm² (ISO 8339)
- Stress at 100% elongation: 0.41 N/mm² (ISO 8339)
- Elongation at break: 450% (ISO 8339)
- Joint width: 5–50 mm
- Application temperature: From 5°C to 40°C
- Application instructions: Apply to a dry, clean surface using a manual or pneumatic gun; tool with a spatula while the material is still wet
- Tool cleaning: Immediately with Kraft White Spirit
- Storage: From 5°C to 35°C, for 12 months from the date of manufacture
Dimensions
- Type
- Mastic
- Packaging
- Cartridge
- Colour
- White
Attributes
- Adhesive
- Yes
- Mold Resistant
- No
- for Wood
- No
- High Temperature
- No
- Aquarium
- No
- Acrylic
- No
- Polyurethane
- Yes
Quantity
- Mass Gaining
- 310 ml
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.