Description
Sikaflex®-521 UV is a multi-purpose, weathering resistant, non-sag, elastic, one-part silane-terminated polyurethane hybrid sealant, which cures on exposure to atmospheric moisture to form a durable elastomer. Sikaflex® 521 UV is isocyanate free and contains no added solvents. Sikaflex®-521 UV is manufactured in accordance with ISO 9001 / 14001 quality assurance system and the responsible care program.
Product Benefits
• 1-C hybrid formulation
• Elastic • 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
• Low odor
• Non-corrosive
• High electrical resistance
• Low VOC and no added solvents
• Silicone- and PVC-free “
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