Sikaflex-521 UV
Weathering Resistant Sealant
Sikaflex®-521 UV is a multi-purpose, weathering resistant, non-sag,elastic, one-part silane-terminated polyurethane hybrid sealant, which cures on exposure atmospheric moisture to form a durable elastomer. Sikaflex®-521 UV is isocyanate free and contains no added solvents.
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, metal primers and paint coatings (two-part systems), ceramic materials, and plastics.
CHARACTERISTICS AND ADVANTAGES
- 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
SIKAFLEX-521 UV OPTIONS
Some Sikaflex 521 UV products include:
- 20 oz. Unipac, light gray - Part # 521-UV LIGHT GRAY
- 10.3 oz. cartridge, light gray - Part # 521-UV-LG CTG
- 10.3 oz. cartridge, white - Part # 521-UV
- 10.3 oz. cartridge, black - Part # 521-UV 300ML BLK
For more information, please contact your nearest Austin Hardware location.