Sika  |  SKU: 80006-B

Sikaflex 521UV Adhesive and Sealant 300ml

£226.68+VAT
(£18.89+VAT per unit)
Shipping calculated at checkout.

Minimum order quantity for this product is 12 units. This product is only sold in box quantities of 12.

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Description
  • Sikaflex 521UV Adhesive and Sealant 300ml is a weathering‑resistant, one‑component Silane Terminated Polymer (STP) adhesive and sealant designed for versatile internal and external applications. This sikaflex 521uv adhesive and sealant 300ml formulation bonds effectively to a wide variety of substrates, including metals, ABS, PC, FRP and wood, typically without the need for special pre‑treatment.
  • The product provides excellent ageing and UV resistance, making it suitable for outdoor environments and long‑term sealing applications. Its isocyanate‑free and solvent‑free chemistry ensures safer handling and compatibility with sensitive materials. Sikaflex 521UV Adhesive and Sealant 300ml can be overpainted and sanded once cured, offering flexibility for finishing and integration into surrounding surfaces.
  • With low odour and strong adhesion performance, Sikaflex 521UV Adhesive and Sealant 300ml is ideal for construction, manufacturing, vehicle assembly, maintenance and general sealing tasks where durability and substrate versatility are essential.
  • Product Benefits
    • Ageing and weathering‑resistant
    • Bonds well to a wide variety of substrates without special pre‑treatment
    • Isocyanate‑ and solvent‑free
    • Can be overpainted
    • Can be sanded
    • Low odour
  • Common Applications for Sikaflex 521UV Adhesive and Sealant 300ml
    • External sealing — UV‑exposed joints and outdoor applications
    • Internal sealing — general construction and assembly joints
    • Vehicle assembly — bonding and sealing in automotive and transport sectors
    • Manufacturing — multi‑material bonding and sealing tasks
    • Maintenance — repair and sealing of mixed‑substrate installations
  • How to Apply Sikaflex 521UV Adhesive and Sealant 300ml
    • Surface preparation — ensure surfaces are clean and dry; special pre‑treatment usually not required
    • Application — apply using a standard cartridge gun
    • Tooling — smooth the sealant immediately for a clean finish
    • Curing — allow full cure before painting or sanding
    • Finishing — overpaint or sand once cured if required
  • FAQs for Sikaflex 521UV Adhesive and Sealant 300ml
    • Does it need special pre‑treatment? — usually no, bonds well to many substrates directly
    • Is it UV‑resistant? — yes, designed for weathering and ageing resistance
    • Can it be overpainted? — yes, once fully cured
    • Is it solvent‑free? — yes, also isocyanate‑free
    • Does it have low odour? — yes, suitable for indoor applications

    For further information on this product, please click the link to visit the Manufacturer’s website.

    Delivery and Shipping

    England, Wales & Southern Scotland

    Free delivery on orders over £150 net. Standard 3-4 Working Days.

    £11.95 + vat carriage on orders below £150 net.

    Express 1-2 Working Days = £15.00 + vat carriage.

    Northern Ireland

    Free delivery on orders over £300 net. Standard 3-4 Working Days.

    £28.00 + vat carriage on orders below £300 net.

    Northern Scotland, Scottish Isles, Isle of Man & Channel Islands

    Free delivery on orders over £300 net. Standard 3-4 Working Days.

    £32.00 + vat carriage on orders below £300 net.

    Free Collection from Alsco Ltd

    Enjoy free collection from our premises. Our warehouse staff will have your order ready for pickup at no additional charge. Please wait for your confirmation email before coming to collect your order.

    Free Local Delivery

    We offer free local delivery for all orders within our service area. Our dedicated warehouse team will personally drop off your order at your door—no hidden fees, just a reliable service!

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