![Sika Sikaflex 521UV UV Resistant LM Polyurethane Sealant 10.3oz(300ml) Cartridge White [106096]](https://cdn.shopify.com/s/files/1/0561/0274/8241/products/67330XL.jpg "Sika Sikaflex 521UV UV Resistant LM Polyurethane Sealant 10.3oz(300ml) Cartridge White [106096]")
Sikaflex® 521UV UV Resistant LM Polyurethane Sealant - 10.3oz(300ml) Cartridge - White
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.
Uses:
Sikaflex®-521 UV bonds well to a wide variety of substrates without the need for special pre-treatment and is suitable for making permanent, high strength elastic seals. Compatible substrate materials include wood, metals, (particularly aluminum including anodized components), sheet steels (including phosphated, chromated and zinc-plated components), metal primers and paint coatings (two-part systems), ceramic materials, plastics and glass.
Characteristics & Advantages:
- Very low VOC/solvent free
- Silicone and PVC-free
- Isocyanate-free
- High electrical resistance
- Resistant to aging and weathering
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to .
![C MAP 4D NA D963 Hawaiian Islands [M NA D963 MS]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/50332XL.jpg "C MAP 4D NA D963 Hawaiian Islands [M NA D963 MS]")
![C MAP 4D Lakes NA D073 North East [M NA D073 MS]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/70008XL.jpg "C MAP 4D Lakes NA D073 North East [M NA D073 MS]")
![C MAP 4D Lakes NA D074 South East [M NA D074 MS]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/70009XL.jpg "C MAP 4D Lakes NA D074 South East [M NA D074 MS]")
![C MAP 4D Lakes NA D075 South Central [M NA D075 MS]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/70010XL.jpg "C MAP 4D Lakes NA D075 South Central [M NA D075 MS]")
![C MAP 4D NA D021 Canada North & East [M NA D021 MS]](https://cdn.shopify.com/s/files/1/0824/9183/4666/files/60779XL.jpg "C MAP 4D NA D021 Canada North & East [M NA D021 MS]")