Sikaflex 521 UV
Sikaflex 521 UV is a weathering-resistant 1-component Silane Terminated Polymer (STP) adhesive / sealant that bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special treatment. This multipurpose product is suitable for internal and external sealing applications.
Specifications
- Chemical Base
- Silane Terminated Polymer
- Color (CQP001-1)
- White, grey, black
- Density (uncured)(depending on color)
- 1.4 Kg/l
- Application temperature
- 5 - 40°C
- Shrinkage (CQP014-1)
- 2 %
- Shore A Hardness (CQP023-1 / ISO 48-4)
- 40 Approx.
- Tensile Strength (CQP036-1 / ISO 527)
- 1.8 MPa
- Shelf Life
- cartridge / unipack (12 months) | drum / pail (9 months)
Key Features
- Suitable for bonding and sealing.
- Passes EN45545-2 R1/R7 HL3.
- Good weathering resistance.
- Solvent-free.
- Low odor.
- Very good processing and tooling characteristics.
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