Sika 521 UV Sikaflex, weathering-resistant adhesive sealant, white, 300 ml
Sikaflex®-521 UV is a 1-component Silane Terminated Polymer (STP) adhesive sealant.
It is weathering-resistant and bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special pre-treatment.
Suitable for internal and external sealing applications.

Sikaflex®-521 UV is a 1-component Silane Terminated Polymer (STP) adhesive sealant.
It is weathering-resistant and bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special pre-treatment.
Suitable for internal and external sealing applications.
Sikaflex®-521 UV is a 1-component Silane Terminated Polymer (STP) adhesive sealant.
It is weathering-resistant and bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special pre-treatment.
- Suitable for internal and external sealing applications.
- Ageing and weathering-resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Isocyanate- and solvent-free
- Can be overpainted
- Can be sanded
- Low odour
Sikaflex®-521 UV adheres well to a wide variety of substrates such us timber, metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics.
Data sheet
- Brand
- Sika
- Format
- 300 ml
- Colour
- White
- Units per package
- 12
- Type of price
- 300 ml cartridge
- Status
- A
Specific References