Non - Setting Jointing Compounds

Hylomar® Advanced Formulation


Hylomar Advanced Formulation is a solvent free non-setting and nonhardening compound which is ideal for sealing joints. It can also be used as a gasket dressing. It will enhance the sealing capability of all types of gaskets.

Hylomar Advanced Formulation is resistant to:

  • Automotive fluids
  • Mineral oils
  • Synthetic lubricants
  • Fuels


  • Solvent free
  • Non- setting & non- hardening
  • Wide operating temperature -55°C to +250°C
  • Resistance to vibration & shock
  • Resistant to differential thermal expansion
  • Parts can be assembled immediately or left indefinitely before making the joint
  • Designed to fill and seal all the surface imperfections in the joint surfaces

Product Sizes

Pack size – 85g tube, 250ml tin, 300ml cartridge.

Typical Applications:

  • Seal close fitting flanges against most lubricants and automotive fluids
  • Sealing cylinder liners to engine blocks
  • Cylinder head cam caps
  • Electric motor end plate covers
  • Fuel injector gland nuts

Typical Physical Properties

Colour Blue
Specific Gravity (ASTM D4659) 1.18
Viscosity Spindle No 6 @ 2.5 rpm. 25°C (77°F). (BS 5350: Part B9) 250,000 mPa.s
Solubility in Water None
Flash Point Over 392°C (737.6°F)
Appearance Non setting paste
Typical temperature range -55°C to +250°C (-67°F to 482°F)

Typical Surface Finish

2.0 μm Ra
Area covered by 100g 2.0m²

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