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Sikaflex-521 UV

Sikaflex -521 UV is aonecomponent 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.

  • Can be overpainted
  • Low odor
  • Non-corrosive
  • Elastic

Product Name: Sikaflex-521 UV
Advantage: Excellent adherent, weathering resistant sealant
Description: Sikaflex -521 UV is aonecomponent 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.
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

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