Description


– Thermal resistant: -45°C up to 140°C
– Sikaflex® -221 is a high-quality multi-purpose non-sag 1-C polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer
– Sikaflex® -221 is resistant to fresh water, seawater, limewater, sewage effluent, diluted acids and caustic solutions; temporarily resistant to fuels