Polyurethane Release Agents


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McLube offers a variety of products for the polyurethane industry, including water and solvent-based release agents, sealers, and PU cleaners. Whether your goal is to improve surface finish, eliminate cleaning steps, or reduce VOCs, McLube Technical Representatives and Formulation Chemists can help. Continue reading for more information about the benefits of McLube® products for polyurethane molding or contact us today for process assistance and samples.

Details & Benefits

By Industry

Polyurethane in the Automotive Industry

McLube® provides customers in the automotive industry with tailor-made release agents catered to their specific process goals. McLube’s tailor-made formulas have helped polyurethane molders improve efficiency, reduce buildup, eliminate cleaning steps, and make a safer working environment. Our diverse line of release agents for automotive PU applications includes water and solvent-based formulas with tin-free, wax-free, resin-based, and wax-based options to suit individual requirements. If one of our existing formulas is not perfectly suited to your application, then we will engineer a custom formulation uniquely catered to your conditions and goals to ensure value is added to your process. McLube® currently provides value-added solutions for polyurethane molders in the following automotive applications:

Rigid Polyurethane Foam
Energy-absorbing foams and interior door panels

Flexible Polyurethane Foam
Carpet backing, filters, and other interior parts

Integral Skin Molding
Steering wheels and interiors

Reaction Injection Molding
Mats, bumpers, spoilers, and fenders

Polyurethane Shoe Soles

McLube® offers water and solvent-based release agents for polyester and polyether PU systems used to produce single-density and dual-density soles. The benefits of McLube® products for shoe sole manufacturing include reduced consumption, low in-mold buildup, and consistent release performance.  Custom gloss levels and concentrations are available to suit individual process requirements. Visit our Shoe Sole Manufacturing page for more information.

Spray Polyurethane Foam

McLube® offers water and solvent-based release agents that may be applied to spray polyurethane foam (SPF) applicators, hoses, safety equipment, and any other surface to prevent buildup over time and make cleaning easier at the end of the day. These products are available in bulk as well as convenient aerosol cans. McLube also offers specialty cleaners for effortless removal of PU foams and resins. Click here for more information about our PU cleaners. Contact McLube® today for more information and samples.


  • Superior release performance
  • Reduced in-mold buildup
  • Eliminate surface irregularities
  • More consistent appearance
  • Little or no transfer to the part
  • Improved flow characteristics
  • Longer runs at reduced cost
  • More parts per shift
  • Extended lifespan of molds and tooling
  • No interference with material integration
  • Improved appearance and surface finish


Supported Materials

McLube® release agents are currently used around the world to release a variety of PU materials, including:

  • Thermoplastic polyurethane (TPU)
  • Rigid, flexible, and microcellular foams
  • Shoe soles (polyester, polyether)
  • Spray PU Foam (including MDI, pMDI)

Supported Processes and Applications

McLube has developed a full line of release agents for the polyurethane industry designed to reduce consumption and increase overall process efficiency. Our release agents are currently used around the world for the following processes and applications:

  • Injection and Compression of TPU
  • Casting (open pour, spin casting)
  • Reaction Injection Molding (RIM, RRIM)
  • Integral Skin Molding
  • PU Spray Foam Insulation
  • Re-bonded Crumb Rubber
  • Single and dual-density shoe sole processes
  • Automotive interior parts
  • Acoustic foam, seating, cushioning, and carpeting

Consult a local McLube® Technical Representative to find the ideal formula available for your needs. Featured products displayed on this page from time to time are for promotional purposes only and do not represent the full product line McLube® offers for this particular material or application. Product availability, including container sizes, concentrations, and aerosols, will vary by country or region. Names of certain products may also vary slightly (prefix, suffix, etc.) depending on your location without affecting performance.

McLube® Marine

Our Marine Division is the world’s leading manufacturer of high-performance dry lubricants (SAILKOTE®) and low-friction hull coatings for professional sailors, Olympians, and boating enthusiasts alike. We provide reliable dry lubricants for everything that slides and environmentally-conscious hull coatings with unparalleled anti-friction characteristics. Our ONE DROP® Ball Bearing Conditioner is the only product Harken® recommends for everything that rolls. Team McLube® partnered with Harken® in 1998 to provide top-quality coatings and polishes to sailors around the world.

Visit www.mclubemarine.com to learn more.