Product Details
521UV 10.3 oz. White Resistant LM Adhesive by SikaFlex®. 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. Sikaflex-521 UV is manufactured in accordance with ISO 9001 / 14001 quality assurance system and the responsible care program. Sikaflex™ -505UV is a onecomponent silane terminated polymer (STP) with excellent UV and weathering resistance, and excellent adhesion to a wide variety of substrates. It has a nine month shelf life when stored unopened at or below 77°F. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
Notes
- Chemical base: One-part Silane Terminated Polymer
- Cure mechanism: Moisture-curing
- Density (uncured): 11.7 lb/gal
- VOC (EPA method 24): 0.12 lb/gal (14.9 g/l)
- Non-sag properties: Good
- Application temperature: 41° - 95°F (5° - 35°C)
- Tack free time (73°F (23°C) / 50% r.h.): 30 min
- Shrinkage: 2.0%
- Shore A-hardness (ASTM D 2240): 40
- Tensile strength (ASTM D 412): 260 psi
- Elongation at break (ASTM D 412): 400%
- Tear propagation resistance (ASTM D 624): 31 pli
- Glass transition temperature: -76°F (-60°C)
- Movement accommodation factor: 10%
- Service temperature permanent: -40° - 194°F (-40° - 90°C)
- Service temperature long term 4 hours: 284°F (140°C)
- Service temperature short term (1 hour): 302°F (150°C)
- Shelf life (storage below 77°F (25°C)): 9 months
Specifications
| Volume: 10.3 oz. |
| Color: White |
Features
- Contains no solvents or isocyanates
- Low VOC content
- Excellent adhesion to many substrates including aluminum, steel, glass, marble, wood and many different types of plastic
- Excellent tooling characteristics
- Fast curing even at low temperatures
- Excellent UV resistance
- Easily paintable
- Non-yellowing
- Bonds well to a wide variety of substrates without the need for special pretreatment
- 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
- Designed to strict industry standards for unmatched quality
- Rigorously tested to have minimal environmental impact
- Crafted from top-grade materials using cutting-edge technology
Sikaflex™ -505UV is suitable for use on a wide variety of substrates; including aluminum, steel, glass, marble, wood and many different types of plastic. Seek plastic manufacturer's advice before using on plastics that are prone to stress cracking.
Based in Lyndhurst, NJ, SikaFlex® leads the way in specialty chemical products and industrial materials serving construction and industrial markets, including transportation, marine, and automotive ones. Its technologies are focused on sealing, bonding, damping, reinforcing and protecting. SikaFlex's product line includes roofing, concrete admixtures, specialty mortars, epoxies, structural strengthening systems, industrial flooring, sealants, adhesives, specialty acoustic and reinforcing materials. SikaFlex products are used in a wide array of applications and always fulfill the highest quality standards.