Sikaflex 221 Black 300ml SealantThis adhesive sealant is a high-quality one-component polyurethane product designed for versatile applications. This reliable solution cures with atmospheric humidity exposure, making it perfect for internal sealing and simple bonding tasks. Sikaflex-221 excels in creating permanent elastic seals with high adhesive strength, bonding well to metals, ceramics, and plastics. Its resistance to ageing, paintability, and sanding capabilities provide flexibility for different finishing requirements. With non-corrosive and low-odor features, it ensures a user-friendly experience. Furthermore, Sikaflex-221 holds NSF approval for incidental food contact, making it a trusted choice for diverse sealing and bonding needs.