Description
Hylomar AF (Advanced Formulation) HV (High Viscosity) is a solvent-free, non-hardening, high-viscosity, thixotropic sealing compound that is ideal for sealing joints. It can also be used as a gasket dressing and flange sealant, enhancing the sealing capability of all types of gaskets and flanges.
- Color: Blue
- Pack size: 300ml cartridge
Applications
- Sealing of closely fitted flanges against most lubricants and automotive fluids
- Improving the sealing efficiency of gaskets and flange connections
- Facilitates the alignment of components during assembly
- Sealing of components such as:
- Cylinder liners to engine blocks
- Camshaft caps on cylinder heads
- End plate covers on electric motors
- Gland seals on fuel injection pipes
Features
- Non-hardening and remains permanently plastic
- Resistant to vibrations, shocks, and thermal expansion
- Excellent chemical resistance to most automotive fluids
- Fills and seals all surface irregularities in flange faces
- Parts can be assembled immediately or at a later time
- Easy to remove – residues can be wiped off with acetone
Technical Data
| Color | Blue |
| Specific Gravity | 1.18 |
| Viscosity at 25°C | 1,100,000 mPa.s |
| Solubility in Water | None |
| Flash Point | Over 392°C |
| Temperature Range | -55°C to +250°C |
| Max. Surface Finish | 3 µm Ra |
| Coverage | 100 g covers approx. 2 m² |
| Shelf Life | 3 years when stored between 5° and 25°C |
Handling & Safety
Hylomar Advanced Formulation HV can be applied manually from a cartridge with a suitable applicator or using automated dispensing equipment. It remains permanently plastic and can be removed at any time. After application to sealing surfaces, parts can be assembled immediately or at a later stage.
To remove Hylomar Advanced Formulation HV, a cloth soaked in acetone can be used – no mechanical scraping is required.
The product is classified as non-hazardous. However, it is recommended to consult the safety data sheet for detailed handling instructions.
For further information and technical details, refer to the technical data sheet.
HYLOMAR GMBH, Talstraße 106, 41516 Grevenbroich, GERMANY, +49 2182 5708971, [email protected], www.hylomar.com/de






Hugo –
Very durable.
Michael –
Packaging was excellent. Perfect match with the description. No reason to complain. Perfect job, thanks.
Jacob J. –
Everything excellent. Very stable.
Riccardo –
No complaints. Excellent service.
Stéphane –
Great purchase, thank you. Everything as expected.