Sika 521 UV Sikaflex, weathering-resistant adhesive sealant, white, 300 ml

Sikaflex®-521 UV is a 1-component Silane Terminated Polymer (STP) adhesive sealant.

It is weathering-resistant and 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.

Suitable for internal and external sealing applications.  

Sikaflex®-521 UV is a 1-component Silane Terminated Polymer (STP) adhesive sealant.

It is weathering-resistant and 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.

• Suitable for internal and external sealing applications.  
• 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

Sikaflex®-521 UV adheres well to a wide variety of substrates such us timber, metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics.