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Pipe dope is any thread lubricant, thread sealing compound, or anaerobic chemical sealant that is used to make a pipe thread joint leakproof and pressure tight.[1] It is also referred to as "thread compound" or "pipe thread sealant."[2] Although common pipe threads are tapered and therefore will achieve an interference fit during proper assembly, machining and finishing variances usually result in a fit that does not result in 100 percent contact between the mating components. The application of pipe dope prior to assembly will fill the minute voids between the threads, thus making the joint pressure tight. Pipe dope also acts as a lubricant and helps prevent seizing of the mating parts, which can later cause difficulty during disassembly.
- ^ "Plant Engineering | Guidelines For Choosing A Pipe Thread Sealant". Plant Engineering. 1998-03-01. Retrieved 2021-05-20.
- ^ "How to Use Pipe Thread Sealant: An Essential Guide". QRFS - Thoughts on Fire Blog. 15 September 2020. Retrieved 2021-05-20.