When your product’s success depends on consistent performance, reliability, and quality, your release liner choice matters. Fox River Associates is the trusted supplier for film release liners, also known as self-adhesive release liners—engineered for demanding applications across medical, tape, composites, building & construction, and industrial markets.
Our sole focus is release liners. For over 35 years, Fox River Associates has been supplying high-quality silicone-coated and non-silicone-coated film release liners throughout North America. Our experienced team works closely with every customer to understand their unique requirements and identify the best film substrate and coating combination for their process and end-use performance.
To speak directly with our team, call us today at 1-800-647-6579 or use the form on this page to request a consultation. Our experienced technical team is ready to work with you.
What Is a Film Release Liner?
A film release liner is a carrier film coated with a specially formulated release coating—typically silicone or a non-silicone chemistry—that allows adhesives or other materials to be released cleanly and consistently when needed. These liners are used in a wide range of self-adhesive and pressure-sensitive applications, from medical device manufacturing and composite prepregs to industrial tapes and die-cut parts.
Film release liners offer superior dimensional stability, moisture resistance, and clarity compared to paper release liners, making them an ideal choice for high-performance, precision applications.
Why Choose Film for Release Liner Applications?
Film substrates in release liners deliver several advantages over paper release liners:
- Stable and durable: Film release liners maintain their integrity under high temperatures, humidity, and chemical exposure.
- Smooth and consistent: Film surfaces ensure uniform coating and release performance across large-scale or critical applications.
- Clean release: No fiber transfer or surface irregularities—ideal for medical, electronic, and optical products.
Film release liners are particularly valuable in industries where cleanliness, precision, and product consistency are non-negotiable.
Common Film Types Used in Release Liners
| Film Type | Key Properties | Typical Applications |
| PET (Polyester) | Excellent temperature and chemical resistance, high tensile strength, clear and dimensionally stable. | Medical devices, composites (prepregs), industrial tapes, optical films. |
| LDPE (Low-Density Polyethylene) | Flexible, conformable, good moisture barrier, economical. | Adhesive tapes, building & construction products, general industrial applications. |
| HDPE (High-Density Polyethylene) | Stiffer and more durable than LDPE, good release uniformity, low shrinkage. | Protective films, foam tapes, rubber adhesive applications. |
| PP (Polypropylene) | Excellent clarity, heat resistance, and chemical stability, lower density than PET. | Graphic films, labeling, medical patches, electronics. |
Each film substrate can be engineered with the appropriate release coating, thickness, and surface treatment (such as corona or flame treatment) to match your process requirements.
Types of Coatings for Film Release Liners
Fox River Associates provides both silicone and non-silicone coatings designed for consistent and reliable release performance across various adhesive chemistries.
Silicone-Coated Film Liners
Silicone coatings provide controlled release characteristics and are widely used in pressure-sensitive adhesive applications. Fox River Associates supplies silicone coatings with tailored release levels to accommodate a wide variety of adhesives and resins including acrylic, rubber, and silicone adhesives.
Non-Silicone Coated Film Liners
Non-silicone coatings are ideal when silicone contamination must be avoided—common in medical, electronic, and composite manufacturing environments. These coatings provide clean release and excellent compatibility with specialty adhesive formulations.
Why Work with Fox River Associates for Film Release Liners?
When choosing a film release liner supplier, companies across North America rely on Fox River Associates for our focus, experience, and service. We understand that consistent liner performance directly impacts your production efficiency and product quality.
Here’s what sets us apart:
- Exclusive focus on release liners: It’s all we do, so our technical expertise is unmatched.
- 35+ years of proven stability: A dependable partner for customers large and small across North America.
- Fast response and technical support: Our team works closely with you to understand your application and recommend the best release liner construction options.
- Shortest lead times in the industry: We maintain inventory for quick delivery and offer small minimum order quantities, ideal for small and medium-size businesses.
- ISO 9001:2015 Certified: Ensuring process consistency and quality—especially important in regulated markets such as medical devices.
- Warehousing and converting operations in Atlanta, GA; Chicago, IL; Dallas, TX; and Los Angeles, CA—providing local service and fast turnaround.
When you work with Fox River Associates, you gain a partner committed to your success.
Film Release Liners for Every Market Application
Film release liners are essential across many industries. Fox River Associates serves markets where precision, cleanliness, and performance matter most:
- Medical: For wound care dressings, diagnostic products, transdermal patches, and medical tapes, film release liners ensure clean, consistent release and compatibility with adhesives and coatings.
- Composites: PET and PP liners are used for prepreg production, resin transfer molding, and vacuum bagging—providing stability and easy release from epoxy or resin systems.
- Tape: LDPE, HDPE, and PET film liners are used for pressure-sensitive adhesive tapes, delivering uniform release for consistent application.
- Graphics: In graphics and labeling applications, film liners support dimensional stability and clarity for printed films and adhesive-backed graphics.
- Electronics and Industrial: For precision die-cutting, protective films, and lamination processes where clean release and dimensional accuracy are essential.
No matter what your market, Fox River Associates helps you identify the best film, coating, and construction to optimize the performance of the release liner in your production and final product performance.
ISO 9001:2015 Certification – What It Means for You
Fox River Associates is ISO 9001:2015 certified, which reflects our commitment to consistent quality and continuous improvement. For customers in regulated industries such as medical devices and healthcare, ISO certification provides confidence that our processes meet international standards for traceability, repeatability, and documentation.
That means every film release liner we supply meets the same high standards—every time.
Responsive, Reliable, and Ready to Deliver
At Fox River Associates, we know your business depends on reliable supply and predictable lead times. That’s why we maintain ample inventory and multiple warehouse locations across the U.S.—ensuring your release liners are available when and where you need them.
We are proud to offer the shortest lead times in the industry and flexible order quantities to serve both large-scale manufacturers and growing businesses. Whether you need full truckloads or smaller quantities for testing or production runs, our team is ready to respond quickly.
Why North American Companies Choose Fox River Associates
Choosing the right release liner supplier in North America means selecting a partner who understands your process, your industry, and your challenges. Companies across the U.S., Canada, and Mexico choose Fox River Associates because we combine technical expertise with reliability and personal service.
Our customers stay with us because they value:
- Expert technical support that saves time and reduces risk
- Local inventory and converting to minimize freight and lead times
- Consistent, high-quality film release liners for every application
- A dedicated partner invested in their long-term success
Your production line can’t stop waiting for materials—and with Fox River Associates, it won’t.
Contact Fox River Associates Today
If you’re searching for a film release liner supplier you can rely on for technical expertise, responsive service, and consistent quality, contact Fox River Associates today.
Call 1-800-647-6579 or use the form on this page to connect with our team. We’ll help you select the best film release liner for your application—backed by over three decades of focus, stability, and service you can trust.