Rocol Steamseal . . . Foliac high pressure pipe sealant with graphite and manganese - Excellent temperature range from -20°C to +600°C. - Resist pressures of up to 193 bar (2800 psi). - Joints sealed are easy to break and clean. - Sets hard but is flexible enough to resist vibration, thermal expansion and contraction of pipework. - Compatible with foam forming leak testers such as ROCOL Leak Detector Spray.