Sikaflex 521 UV is a weather-resistant, flexible polyurethane-based adhesive/sealant ideal for bonding solar panel brackets and cable glands to motorhomes, caravans, camper vans, boats and buildings.
- Ageing and weathering resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Can be overpainted
- Can be sanded
- Low odor
- High electrical resistance
- Isocyanate- and solvent-free
- Silicone- and PVC-free
This product cures on exposure to atmospheric humidity to form a durable elastomer.
We recommend thoroughly degreasing the two mating surfaces with panel wipes or similar prior to applying the sealant.
For use with a caulking gun.
- Product name: Sikaflex 521 UV
- Product type: One part, polyurethane hybrid adhesive/sealant
- Colour: White
- Tube volume: 300ml