Polyurethane Products

Mold Release Agents For Polyurethane Molding

W.N. SHAW offers specific solutions for virtually all polyurethane mold release applications that require release agents. In the polyurethane molding industry, we offer solvent-based, water-based release agents for MDI, TDI, and TDI/MDI for all rigid, flexible, integral skin and cast urethane molding applications.

View Applications

W. N. SHAW has successfully engineered environmentally friendly water-steering wheelbased products for the most challenging applications where lower mold temperatures demand a high level of effectiveness from a release agent. Our mold-release products function well on aluminum, steel, epoxy and fiberglass tooling.

We have custom-formulated our latest water-based products to provide excellent release properties, improved part surfaces, while minimizing buildup on the molds, thus extending the time between tool cleaning.

W.N. SHAW Product Characteristics

  • Desired gloss level: Mold release can be customized to provide a vast range of mold surface finishes so that you can meet your customers’ exact specifications.
  • Faster molding operations:  In addition, your employees can spend their time working on other manufacturing goals and company advancement instead of mold cleaning and maintenance.
  • Less waste: Improved release ease, and better part surface leads to reduced scrap rates.
  • Longer mold life.  By minimizing buildup in the tools, we can extend the time between cleaning.
  • Cleaner final products: Customer-facing products will receive better word-of-mouth, improving your company’s reputation, no matter your industry.

W.N. SHAW for Superior PU Injection Molding and Services

In an increasingly competitive global marketplace, W. N. SHAW is equipped to custom-formulate products specific to the needs of our customers all around the globe. No matter the density of the polyurethane foam, the desired finish or the post-molding requirements, W. N. SHAW has proven it can meet our customers’ every need. We stand out thanks to excellent response time, superior customer service and competitive pricing.

Inquire About Our Polyurethane Mold Release Agents

It is also our philosophy to work directly with our customers on the production floor to most effectively understand the application dynamics to better design and formulate our products to match each unique urethane molding requirement.

Reaction Injection Molding (RIM)

For the unique demands of Reaction Injection Molding, Reinforced Reaction Injection Molding and Structural Injection Molding, W. N. SHAW offers excellently engineered products that deliver superior release characteristics for improved surface cosmetics. Superior release makes post-mold bonding, painting or foam backing easier. It enhances part quality, as customers don’t have to abrade or clean their parts. Superior release characteristics contribute to considerable time and cost savings.


The urethane molders in the automotive industry are major consumers of W. N. SHAW mold release agents for polyurethane parts. We offer complete solutions for molders no matter how complex their needs are. Our product applications include skin foam (also called self-skinning foam), flexible foam and rigid foam.


Type Application
Skin Door panel, Sprayed skin, RIM skin, Slush Molding (TPU), Arm Rests (Foam in place and In-mold coated), Barrier skin for foam backing (RIM, Open Pour)
Flexible Sound Absorbing, Carpet Backing, Air Filters (Panel/Conical), Tractor, Truck Self Skinning PU Arm Rests, & Interior Components
Rigid Energy Absorbing Foam with post mold bonding requirements, Headliners. Hoodliners, Interior Door Panels
Integral Skin Steering Wheels, Safety Systems, Interiors
In-Mold Paint Steering Wheels, Safety Systems, Interiors
Pre-Pigmented PU Consoles, Interiors
RIM Tractor Trailer Floor Mats, Bumpers, Wheel Covers, Door Panels


As the market for non-automotive uses of polyurethane continues to expand, W. N. SHAW meets market demands with new and innovative polyurethane release agent products. We serve industries that produce cast elastomers as well as rigid and flexible-type polyurethane materials.

Industry Application
Rigid Flower Pots, Foam Board, Taxidermy, Floral, Architectural Decorative Parts, Glass / Wood Laminate Encapsulation, Spas, Boat Floatation, Door and Window Casings
Flexible Office Furniture Arm Rests, Packaging Components (Dunnage) with Self-Skinning Urethane, High-Resiliency Foam Toys, Memory Foam
Cast Elastomers Sanding Disks, Seals, Tires/Wheels


W. N. SHAW has been making successful footwear release agents in the footwear industry for customers around the globe since its foundation. We serve all major needs of shoe manufacturing, including unit soles, inserts and insoles.

Industry Application
PU RIM, Open Pour, Unit Soles, Sandals, Dual Density RIM, Foam Inserts, Boot Soles, Direct Attach Insoles
EVA Shoe sole, In-Soles, Mid-Soles, Inserts, EVA Mats

Contact W.N. SHAW & CO. for Mold Release Agents and PU Injection Molding

When it comes to PU injection molding and the injection mold release agents we provide, you won’t find higher levels of expertise, quality and customer satisfaction anywhere. We’re a global leader in the polyurethane industry because we work tirelessly to focus on our customer’s unique needs across multiple applications. We work quickly to develop and test the products specific to their applications. We have loyal clients worldwide. We’ve also invested in green technology for more efficient material use and leaner, cleaner operating conditions.

Our team has more than 100 years of combined experience developing polyurethane mold release agents like those used in PU injection molding. Our background gives us the expertise to help you find the right mold release agent for your specific application. We can develop polyurethane release agents for you quickly. You’ll receive proficient problem-solving, answers to your questions, information about product composition and quality control for polyurethane molding products when you partner with us for your polyurethane mold release coating needs.

Complete our online contact form or call us at  636-271-3335 with any questions about our products or if you’re ready to request a custom solution.