ADVANTAGES

• Resistance to aging and atmospheric agents
• Adheres well to a wide variety of substrates without the need for special pre-treatments
• It can be painted
• It can be sanded
• Non-corrosive
• Low odor emission
• Solvent and isocyanate free
• Free of silicone and PVC

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Sikaflex®-521 UV adheres well to a wide range of substrates and is suitable for elastic bonding and sealing. Suitable substrates are wood, metals, metal primers and painted surfaces (two-component systems), ceramic and plastic materials.
Seek manufacturer advice and test original substrates before using Sikaflex®-521 UV on materials subject to stress cracking.
This product is only suitable for experienced professional users.

To ensure material adhesion and compatibility, testing with substrates in real-world conditions is necessary.