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Sikaflex 521 UV is a one-component PUR-Hybrid sealant based on the Sika Silane Terminated Polymer (STP) technology. The product cures on exposure to atmospheric humidity to form a durable elastomer.
- Ageing and weathering resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Elastic - Can be overpainted and sanded
- Low odour - Non-corrosive - High electrical resistance
- Isocyanate and solvent free - Silicone and PVC free
Sikaflex 521 UV is a one-component PUR-Hybrid sealant based on the Sika Silane Terminated Polymer (STP) technology. The product cures on exposure to atmospheric humidity to form a durable elastomer. Sikaflex 521 UV is manufactured in accordance with ISO 9001 / 14001 quality assurance system and with the responsible care program.
Features & Benefits
- Ageing and weathering resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Elastic
- Can be overpainted
- Can be sanded
- Low odour
- Non-corrosive
- High electrical resistance
- Isocyanate and solvent free
- Silicone and PVC free
Areas of Application
Sikaflex 521 UV adheres well to a wide variety of substrates and is suitable for elastic sealing and bonding. Suitable substrate materials include timber, metals, metal primers and paint coatings (2-part systems), ceramic materials and plastics. Seek manufacturer’s advice before using on transparent materials that are prone to stress cracking. This product is suitable for professional experienced users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
For more details please download the product data sheet from the 'DATASHEETS' tab above.
Data sheet
- Manufacturer
- Sika
- For Use On
- Timber
Metal
Ceramics
Plastic - Application Method
- Application Gun
- Colour
- Standard / Ready Mixed
- Single, Two or Three Pack
- Single
- Pack Size
- 12 x 300cc Cardridges, 20 x 600cc Sausages
- Colour(s)
- Standard Colours
- Base Type
- Solvent Free
- Suitable For Use On
- Timber
- Suitable For Use On
- Metal
- Suitable For Use On
- Plastic
- Suitable For Use On
- Ceramics
- Application Method
- Application Gun
- Manufacturer
- Sika
- Components
- 1K
- Usages
- Transportation
- Product Usage Type
- Sealer
- Product Range
- Sikaflex
- Colour Family
- White
- Colour Family
- Grey
- Colour Family
- Black
Questions
Question about the product
Be the first to ask a question about this product!
IMPORTANT SHIPPING & DELIVERY INFORMATION
Sikaflex 521 UV is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT