LOCTITE 542 Hydraulic Pipe Thread Sealant is an advanced medium strength sealant specifically formulated for fine threads in hydraulic pneumatic and general fittings Engineered to enhance performance in demanding environments LOCTITE 542 effectively seals metal pipes and fittings preventing loosening and leakage caused by shock and vibration This product cures when confined in the absence of air between the close fitting metal surfaces ensuring a reliable and robust sealing solution Its unique thixotropic nature significantly reduces the migration of the liquid sealant after application providing a precise application to the intended area Ideal for various applications within hydraulic systems LOCTITE 542 is resistant to fuels oils coolants and hydraulic fluids making it the go to choice for professionals seeking a durable and effective sealant for metal threads