Skip to content


Organic plasticizers for silicone sealant

TotalEnergies hydrocarbon fluids range Hydroseal, with very low aromatic content, is used by main silicone sealant manufacturers. For over a decade, the products have been used successfully as organic plasticizers, as alternative to silicone oil.

Hydrocarbon fluids HYDROSEAL performance:

The extremely pure HYDROSEAL® range helps mastic sealant to:

  • Reduce formulation costs
  • Reduce yellowing problems inherent in the use of organic plasticizers
  • Improve the transparency of the sealant
  • Facilitate extrusion and application
  • Minimize recurring shrinkage.

Our range offers an excellent technical compromise between compatibility and shrinkage properties and covers every segment of the silicone sealant market, from "DIY" (Do It Yourself) to professional qualities.


  • HYDROSEAL G400H: for professional quality sealant;
  • HYDROSEAL G285H: an intermediary product between HYDROSEAL G3H and Hydroseal G400H;
  • HYDROSEAL G3H: for standard bathroom, glazing and multi-purpose sealing products;
  • HYDROSEAL G250H (and HYDROSEAL G232H): for entry level DIY (Do It Yourself) sealant;

For other grades, please contact us beforehand.



Health & Safety concerns:

  • HYDROSEAL are not considered as VOC (Volatile Organic Compounds) at room temperature according to the EU 1999/13 directive (vapor pressure <0.01 kPa at 25°C)
  • They have extremely low PAH (polycyclic aromatic hydrocarbons) & aromatic content

Furthermore, hydrodewaxed hydrocarbon solvents like HYDROSEAL G290H and HYDROSEAL G340H are also available to improve low temperature fluidity and reduce volatile organic compounds (VOC) to comply with the most stringent building industry requirements (AgBB, French regulation, Blue Engel, GEV EMICODE, etc.).

TotalEnergies offers also product for hybrid sealant, polyurethane sealant and acrylic sealant.


HYDROSEAL range sheet 


HYDROSEAL product sheet 

HYDROSEAL HY product sheet 



Discover the characteristics of our HYDROSEAL range and download our product brochure 

Our experts are at your disposal to answer any question : contact !


Read more :