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Silicones from Dow Corning
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Additives for
Rigid Foam

Reliable solutions for quality,
performance and innovation


Silicone surfactants for rigid polyurethane foam

Improve the processing, performance and quality of your rigid polyurethane foam products with proven Dow Corning® brand silicone additives.

Silicone surfactants from Dow Corning have demonstrated their ability to:

  • Increase the compatibility of raw materials
  • Decrease surface tension in polyurethane foam systems
  • Improve emulsification and nucleation
  • Prevent coalescence
  • Stabilize cell membranes

Explore our portfolio of high-quality silicone additives for
rigid foam applications

Product / Name & DescriptionPhysical Properties
at 25°C, mPa-s
OH #, mg KOH/g
Gravity at 25°C
Dow Corning® 193 Additive
General-purpose surfactant for rigid foam applications
Dow Corning® 1605 Additive
Surfactant for insulation panels and spray foam
Dow Corning® 1718 Additive
General surfactant for hydrocarbon- and water-blown rigid foam systems
Dow Corning® 1919 Additive
Surfactant for rigid insulation foam including spray foam systems
Dow Corning® 1990 Additive
Surfactant for rigid foam systems
Dow Corning® 2936 Additive
Surfactant for cold storage and construction insulated-panel systems
Dow Corning® 2937 Additive
General-purpose surfactant for rigid foam
Dow Corning® 2938 Additive
Surfactant for PUR/PIR insulation panels, hydrocarbon-blown appliance systems and water-blown spray foam
Dow Corning® 2945 Additive
Surfactant for construction panel applications
Dow Corning® 5160 Additive
 Surfactant for high-density rigid
 molded foam
Dow Corning® 5357 Additive
Surfactant for appliance and insulation panels, including pour-in-place applications
Dow Corning® 5374 Additive
 Surfactant for pentane-blown rigid
 foam systems
Dow Corning® 5575 Additive
General-purpose surfactant for multiple PUR/PIR rigid foam applications
Dow Corning® 5604 Additive
General-purpose rigid foam surfactant

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Supporting Technologies

We can provide you with a broader range of solutions than many other silicone surfactant suppliers, including:

  • Surface coatings and adhesives
  • Materials for the production of synthetic leather
  • Industrial release coatings for molded polyurethane foam
  • Resins, intermediates and other adaptable silicon-based technologies
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Silicone Surfactants Product Selection GuideExplore our full range
of polyurethane additive solutions

Read the product
selection guide (

Silicone surfactant expertWe can help

Tap into our three decades
of experience in the
development, production
and customization of
silicone surfactants for
polyurethane applications.

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