SIKAFLEX 521 UV BLACK - CARTRIDGE 300 ML
Sikaflex 521 UV is a onecomponent PUR-Hybrid sealant based on the Sika Silane Terminated Polymer (STP) technology.
Characteristics
- Ageing and weathering resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Elastic
- Can be overpainted
- Can be sanded
- Low odor
- Non-corrosive
- High electrical resistance
- Isocyanate- and solvent-free
- Silicone- and PVC-free
Application
- Adheres well to a wide variety of substrates and is suitable for elastic sealing and bonding
- Suitable substrate materials include timber, metals, metal primers and paint coatings (2-part systems), ceramic materials and plastics
Technical characteristics
- Chemical base : Silane Terminated Polymer
- Color (CQP 001-1) : Black
- Cure mechanism : Moisture-curing
- Density (uncured) (CQP 006-4) depending on color : 1.4 kg/l approx.
- Non-sag properties (CQP 061-1) : Good
- Application temperature ambient : +5°C to 40°C (+40°F to +105°F)
- Tack free time at 23°C (73°F) / 50% r.h. (CQP 019-1) : 30 min. approx.
- Shrinkage (CQP 014-1) : 2% approx.
- Shore A-hardness (CQP 023-1 / ISO 868) : 40 approx.
- Tensile strength (CQP 036-1 / ISO 37) : 1.8 N/mm² approx.
- Elongation at break (CQP 036-1 / ISO 37) : 400% approx.
- Tear propagation resistance (CQP 045-1 / ISO 34) : 5.5 N/mm approx.
- Glass transition temperature (CQP 509-1 / ISO 4663) : -50°C (-60°F) approx.
- Volume resistivity (CQP 079-2 / ASTM D 257-99) : 1010 Ω cm approx.
- Service Temperature (CQP 513-1) : -40°C to +90°C (-40°F to +195°F)
Short Term
4 hours : 140°C (285°F)
1 hour : 150°C (300°F)
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Connexion
