Marine-Grade Consumables
Sikaflex 521 UV Adhesive & Sealant 300ml – White
From £18.01£21.61
SKU: SIKA521UVW- Ageing and weathering-resistant: suitable for marine and outdoor applications
- Bonds well to timber, metals, ceramics, and plastics without special pre-treatment
- UV-stable polyurethane formulation: a high-strength alternative to traditional marine silicone sealant
- Isocyanate- and solvent-free for a cleaner professional working environment
- Suitable for both marine and non-marine sealing and bonding
| Quantity | Price |
|---|---|
| 1 - 4 | £18.01£21.61 |
| 5 - 9 | £16.21£19.45 |
| 10+ | £14.41£17.29 |
£18.01£21.61
Excl. VAT
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- Key Information
Sikaflex-521 UV is a one-component, high-performance polyurethane adhesive and sealant, widely specified by professional users as a durable alternative to traditional marine silicone sealant where stronger bonding and proven UV resistance are required. Its ageing- and weathering-resistant formulation makes it suitable for elastic sealing and bonding across both marine and non-marine environments.
Sikaflex-521 UV adheres well to a wide variety of substrates without the need for special pre-treatment, including timber, metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. This multipurpose product is suitable for internal and external sealing applications. On marine vessels, it performs reliably above the waterline for applications such as hull-to-deck joints, portholes, fittings, and trim bedding, making it a practical, UV-stable option alongside other marine adhesive sealants on the market.
Isocyanate- and solvent-free, Sikaflex-521 UV offers a cleaner working environment for professional users. Seek manufacturer's advice and perform tests on original substrates before using Sikaflex-521 UV on materials prone to stress cracking. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
