Block Idraulica Gas Metano is a yellow colored medium/high torque strength anaerobic thread locker sealant formulated to block and seal threaded metal fittings and pipes. It is suitable to replace hemp and PTFE tapes forming an elastic film capable of guaranteeing a perfect seal for air, LPG, gas and liquid systems. Certified for application in food plants. Good chemical resistance to water/glycol mixture, brake fluid, engine oil and acetone.