ROCOL HYLOMAR JOINTING Compound is a blue non-setting sealant for the effective sealing of metal to metal and most plastic to plastic components. It can withstand high temperatures and vibration often found in demanding jointing applications and is particularly effective for sealing flanges subjected to extreme vibration and distortion. Can resist pressures of up to 35 bar (500 psi). Joints sealed with ROCOL HYLOMAR JOINTING Compound are easy to break and clean. Specification Temperature Range: -50° C to +250°C