Sikaflex-521 UV is an elastic thixotropic multifunctional sealant based on a polyurethane hybrid polymer, which hardens upon exposure to atmospheric humidity forming a resistant elastomer.
SIKAFLEX 521 UV
ADVANTAGES
Resistant to aging and atmospheric exposure,
It adheres well to a wide range of substrates without the need for special pre-treatments,
Elastic,
Overpaintable,
Sandable,
Low odor emission,
Not corrosive,
High electrical resistivity,
Free from isocyanates and solvents,
Free from silicone and PVC,
FIELDS OF APPLICATION
Sikaflex-521 UV adheres well to a wide variety of substrates and is suitable for elastic sealing and bonding.
Suitable substrates are wood, metals, metal primers and paint systems (two-component), ceramic and plastic materials.
