Sika Sealants & Protectants Sikaflex 521 UV Resistant Low Modulus Sealant 300 ml ctg

Sikaflex 521 UV 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 treatment. This multipurpose product is suitable for internal and external sealing applications.

1-C hybrid formulation - Elastic - Ageing and weathering resistant - Bonds well to a wide variety of substrates without the need for special pre-treatment - Can be overpainted - Can be sanded - Low odor - Non-corrosive - High electrical resistance - Low VOC and no added solvents - Silicone- and PVC-free