Granit Part 32018299 is a high-quality, 1-component polyurethane-based Sikaflex 221 grey sealant. It cures on exposure to atmospheric moisture, forming a durable elastomer with high adhesive strength. Suitable for making permanent elastic seals on a wide variety of substrates. It has a density of approximately 1.3 kg/L and a Shore A hardness of 40. The sealant can be applied in temperatures ranging from +5 °C to +40 °C and offers temperature resistance from -50 °C to +90 °C (permanent) and up to +140 °C (short-term). Each cartridge contains 300 ml.