Non - Setting Jointing Compounds

Hylomar® Advanced Formulation HV


Hylomar Advanced Formulation HV is a solvent free, non-setting and non hardening,
high viscosity non-slumping thixotropic gel which is ideal for sealing joints. It can also be used as a gasket dressing and flange sealant. It will enhance the sealing capability of all types of gaskets and flanges.

Hylomar Advanced Formulation is resistant to:

  • Automotive fluids
  • Mineral oils
  • Synthetic lubricants
  • Fuels


  • Non- setting & Non- hardening
  • Wider operating temperature -55°c to +250°c
  • Resistance to vibration & shock
  • Resistant to differential thermal expansion
  • Designed with specific rheological properties to form an excellent seal on close fitting joint surfaces
  • Parts can be assembled immediately or left indefinitely before making the joint
  • It is designed to fill and seal all the surface imperfections in the flange surfaces

Product Sizes

Pack size – 250ml tin, 300ml cartridge.

Typical Applications:

  • Close fitting flanges against most lubricants and automotive fluids
  • 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)
Viscosity, Spindle No. 7 @2,5 rpm. 25 °C. (BS 5350: Part B9) 1,100,000 cps
Solubility in Water None
Flash Point Over 392°C (737.6°F)
Apperance Non-Setting Paste

Typical Temperature Range

-55°C to 250°C (-67°F to 482°F)

Ty[ical Surface Finish

3.0 μm Ra
Area covered by 100g 2.0m²

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