Product Data Sheet Show all documents

Sikaflex®-521 UV

Sikaflex-521 UV is a multi-purpose non-sag elastic 1-c sealant based on a polyurethane-hybrid compound, which cures on exposure to atmospheric humidity to form a durable elastomer.

  • 1-C hybrid-formulation
  • Elastic
  • UV, ageing and weathering resistant
  • Bonds well to a wide variety of substrates without the need for special pre-treatment
  • Can be overpainted
  • Can be sanded
Product Data Sheet Show all documents

Usage

Sikaflex-521 UV bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high bonding strength.

Suitable substrate materials are timber, metals, metal primers and paint coatings (2-c systems).

Advantages

  • 1-C hybrid-formulation
  • Elastic
  • UV, ageing and weathering resistant
  • Bonds well to a wide variety of substrates without the need for special pre-treatment
  • Can be overpainted
  • Can be sanded

Packaging

Cartige 300 ml

Unipac 600 ml

Hobbock 23 l

Drum 195 l

Documents