Sika Sikaflex 521 UV Weather Resistant Silane Polymer Adhesive Sealant 300ml

Name: Sika Sikaflex 521 UV Weather Resistant Silane Polymer Adhesive Sealant 300ml
Brand: Sika
SKU: B00BEFI8EA
Price: 13.90 GBP
Availability: InStock

IN STOCK

£13.90Inc. VAT

Next-day delivery · £1.99

Order by 2pm for same-day dispatch · FREE over £35

Standard UK DeliveryFREE — get it by Sun 25 Oct – Wed 28 Oct

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More options (2)

Black · Sika Flex-521 UV (old version)

£13.90

This option

Sika Sikaflex 521 UV Weathering Resistant Adhesive Sealant 300ml Grey

Light Grey · single

Delivery

Standard UK Delivery·3–5 daysFREE

Next Day UK Delivery·1 day·Free over £35£1.99

EU Delivery·7–14 days£12.99

Worldwide Delivery·14–28 days£19.99

Same-day dispatchOrder by 2pm, Mon–Fri

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Details

Product codeUKP-4C3J

BrandSika

Codes7612894141818 (EAN)

CategoryGlue & Adhesives

About this item

Key Features

Brand: Sika
Product: Sikaflex 521 UV – Weathering Resistant Silane Terminated Polymer Adhesive Sealant
Viscosity/Texture: Black, 300 ml cartridge
Formulation: Isocyanate- and solvent-free; silane-terminated polymer
Applications: Suitable for bond and seal on timber, metals, metal primers, paints (2-component systems), ceramics and plastics
Usage: Internal and external use; no special pretreatments required
Performance: Age resistant and weather resistant; long-lasting adhesion
Finish: Sandable and overpaintable for a seamless finish

Specifications

Color: Black
Pack Size: 300 ml cartridge
Suitable Substrates: Timber, metals, primers, paints, ceramics, plastics
Movement Capability: Designed for durable flexible sealant bonds

Professional-grade adhesive sealant designed for wide substrate compatibility with low odour and long-term weather resistance. Overpaintable and sandable to achieve a clean, professional finish on interior and exterior applications.