Sikaflex 221
Sikaflex 221 is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. It is suitable for making permanent elastic seals.
Specifications
- Chemical Base
- 1-Component Polyurethane
- Color (CQP001-1)
- White, Grey, Black, Brown
- Density (uncured)(depending on color)
- 1.3 Kg/l
- Shrinkage (CQP014-1)
- 5 %
- Shore A Hardness (CQP023-1 / ISO 48-4)
- 40
- Tensile Strength (CQP036-1 / ISO 527)
- 1.8 MPa
- Shelf Life
- 12 months
Key Features
- Bonds well to a wide variety of substrates.
- Resistant to ageing.
- Can be sanded and painted.
- Passes EN45545-2 R1/R7 HL3.
- Non-corrosive
- Low odor.
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