Sikaflex 521 UV Hybrid Sealant Grey 300ml


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Sikaflex 521 UV Hybrid Sealant Grey 300ml

£14.12 Exc. VAT

Sikaflex 521 UV is a one component PUR-Hybrid Sealant based on the Sika Silane Terminated Polymer (STP) technology.

Sikaflex 521 UV Hybrid Sealant Grey 300ml is available for purchase in increments of 12



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.

Product 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 odor
  • Non-corrosive
  • High electrical resistance
  • Isocyanate and solvent-free
  • Silicone and PVC-free
Product Downloads
View File Sikaflex 521 UV MSDS Size: (147.24 KB)
View File Sikaflex 521UV TDS Size: (103.2 KB)