Three Bond Anaerobic Adhesives

Three Bond 1303

Anaerobic Adhesive / High Strength

The product Three Bond 1303 is a one-component, anaerobic reactive adhesive sealant without solvents, specifically designed for the assembly of small screws and threads up to M12. It is applied in liquid form at room temperature to one of the mating surfaces to be joined. After the parts are assembled, a strong adhesive sealant forms within a very short time, fully adapting to the surface structure of the mating surfaces. All micro-level roughness, such as machining grooves and scratches, as well as macro-level unevenness (surface waviness), are filled, ensuring absolute conformity. At the same time, the adhesive sealant achieves high strength due to its highly resistant chemical properties and good cohesion.


  • Extremely easy to dispense and apply due to being single-component and solvent-free.
  • Anaerobic curing begins immediately after the assembly of mating parts due to air exclusion and metal contact (almost all metals are suitable for this).
  • Since solidification does not occur through heat, assembled parts can be easily separated during machine repairs.
  • Excellent chemical and thermal resistance, as well as outstanding vibration and shock resistance due to its excellent mechanical properties.

Typical Properties:

  • Color: Green
  • Viscosity at 25°C: 150 mPa·s
  • Density at 25°C: 1.11 g/cm³
  • Optimal gap tolerance: 0.005 ~ 0.015 mm
  • Maximum gap tolerance: 0.15 mm
  • Functional at 25°C: 2 hours
  • Fully cured at 25°C: 24 hours
  • Breakaway torque Fe (M10 x P1.5): 33 Nm
  • Running torque Fe (M10 x P1.5): 35 Nm
  • Shear strength Fe (0.01 mm clearance): 35 MPa
  • Shear strength Fe (0.05 mm clearance): 25 MPa
  • Temperature range: -60°C ~ +150°C
  • Shelf life at 25°C: 12 months

Please refer to the TDS for the complete technical specifications.

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