一,Product Introduction Sikaflex-211 CN is a one-component, high-quality, multi-purpose polyurethane sealant introduced by Sika. The product cures upon exposure to atmospheric moisture, forming a durable elastomer, and is suitable for permanent elastic seals requiring high bonding strength. It is manufactured in accordance with ISO 9001 / 14001 quality assurance systems and relevant safety regulations. 二,Product Benefits Sikaflex-211 CN offers the following superior features: