Sika Sikaflex 521 UV Weather Resistant Adhesive Sealant

Sika Sikaflex 521 UV Weather Resistant Adhesive Sealant is a weathering-resistant 1-component Silane Terminated Polymer (STP) adhesive / sealant that bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special pre-treatment. This multipurpose product is suitable for internal and external sealing applications. 

BENEFITS:

- Ageing and weathering-resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Isocyanate and solvent-free
- Can be overpainted
- Can be sanded
- Low odour

RECOMMENDED FOR:

- Can be used on 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-component systems), ceramic materials and plastics
- Suitable for internal and external sealing applications
- This product is suitable for experienced professional users only