PA-77 Anaerobic Thread Sealant

PA-77 is a general-purpose anaerobic thread sealant material with high viscosity and medium strength. In addition, once cured it prevents leaks or loosening in the event of vibrations and shocks.

PA-77 Anaerobic Thread Sealant

PA-77 is a high viscosity, medium strength anaerobic thread sealant adhesive that complies with NSF S2.


PA-77 is a general-purpose anaerobic thread sealant material with high viscosity and medium strength. Once cured, the product prevents leaks and/or loosening of parts due to vibrations and shocks. This product is suitable as a threadlocking compound in food processing areas as it complies with NSF S2 (Registration No. 163874).

PA-77 Features

Here is a list of the main features of the product:

  • medium resistance
  • high viscosity
  • Instant sealing 10bar
  • High-pressure sealing – 350bar
  • vibration resistant
  • corrosion prevention
  • Monocomponent
  • Suitable for active and passive metals


Below these lines we present a list with the main specifications:

  • Base: Dimethacrylate ester
  • Viscosity (mPa.s) – 80,000-90,000
  • Fixation time: 60 minutes.
  • Breaking strength in steel (ISO 10964) – 11 Nm
  • Brown color.
  • Temperature range: -55 to 180°C.
  • NSF certificate: S2

PA-77 Applications

Below we list common applications of this product:

  • Engines and powertrains
  • pumps and compressors
  • Storage of liquids and gases
  • Hydraulic systems
  • Metal pipes and fittings

Born2Bond: Anaerobic for thread fixing

Born2Bond anaerobic pipe sealing adhesives are a reliable and adaptable solution. It is also suitable for all types of threaded metal pipes and fittings, both new installations and preventive maintenance. Filling and sealing all voids, these one-part adhesives provide 100% surface-to-surface contact. In this way they provide a cohesive and durable connection that will not fail even when subjected to vibrations, extreme temperatures or chemicals. In this way, it is a convenient and cost-effective alternative to conventional sealing alternatives such as hemp or PTFE tapes. In addition, these adhesives eliminate the need for additional inventory.

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