Sikaflex 521 Light Gray UV Resistant Low Modulus Sealant 600 ml Unipac

Sikaflex 521, Light Gray, UV Resistant Low Modulus Sealant, 600 ml Unipac

Sikaflex-521 UV is a multi-purpose, UV resistant, non-sag, elastic, one-part silane-terminated polymer sealant, which cures on exposure to atmospheric moisture to form a durable elastomer. Sikaflex-521 UV is solvent and isocyanate free.

Use:
Sikaflex-521 UV bonds well to a wide variety of substrates and is suitable for making permanent, high-strength elastic seals. Compatible substrate materials include wood, metals, (particularly aluminum including anodized components), sheet steels (including phosphated, chromated and zinc-plated components), metal primers and paint coatings (two-part systems), cera¬mic materials, plastics and glass.

Characteristics and Advantages:

• Bonds well to a wide variety of substrates without the need for special pre-treatment
• Resistant to UV radiation
• Very low VOC/solvent free
• Silicone and PVC-free
• Isocyanate-free
• High electrical resistance
• Resistant to aging and weathering
• Elastic
• Low odor
• One-part formulation