Silicone Release Liners

Silicone Release Liners

A silicone release liner is a product that carries a sticky substrate (pressure sensitive adhesive or chemical compound) until it is ready for its next step. Sometimes called a 'carrier' or a 'backing' paper/film, siliconized release liners hold onto or carry the sticky substrate, until whatever it is carrying is ready to be released.

Release liner can be film-based, paper-based, polycoated-paper based, or even have unique substrates, such as metallized papers/films as their base. Release liner substrates are often coated with silicone release coatings, which allows whatever the release liner is carrying to be released when the time is right. However, this release function can also be accomplished with non-silicone coatings or even with a surface characteristic of the substrate that doesn’t require a coating at all. These are highly specialized release liners.

Whatever your silicone release liner application, the Fox River Associates technical team is experienced in asking the right questions and helping you identify the most appropriate release liners for your unique project. Let Fox River Associates partner with you. Email us at info@foxriverassociates.com or call 1-800-647-6579. Our team is ready to work with you.

Top Questions When Determining the Appropriate Release Liner

Release liners are technically engineered products with a wide variety of performance characteristics. There are several key considerations when choosing the most appropriate release liner for your application.

1. What base substrate materials are recommended for my application?
   • Understanding the differences between PET, LDPE, HDPE, PP, and paper liners, and how their properties align with your application, is key to selecting the right release liner for durability, flexibility, or temperature resistance. Fox River Associates offers a full line of paper release liners and film release liners.
   • The release liner's base material (e.g., PET, LDPE, HDPE, PP, paper) determines dimensional stability, strength, and compatibility with application processes like die cutting, laminating, or printing. PET offers high stability and heat resistance, while LDPE and HDPE provide flexibility and lower costs.
   • Surface smoothness and cleanliness are important for ensuring proper adhesive application and avoiding contamination. A smooth release liner ensures even adhesive coating, while cleanliness is vital for high-purity applications like electronics or medical devices.
2. What release coatings are available, and how do they interact with my adhesive?
   • Determine whether silicone, non-silicone, or specialty coatings are compatible with your adhesive type (e.g., acrylic, rubber, silicone) and application requirements. With more than 35 years’ experience in release liners, the team at Fox River Associates is knowledgeable in comparing silicone release chemistries for release liners.
   • Consistent release force is crucial for maintaining process reliability, especially in automated systems. Variability in release force can cause operational issues such as adhesive transfer or misaligned laminations.

Ready to learn how Fox River Associates’ full line of film and paper release liners can help you in your project? Use the form on the page or contact us at info@foxriverassociates.com. Our experienced team is ready to work with you.

Factors to Consider When Choosing a Release Liner

Selecting the right release liner requires balancing performance, cost, and application-specific requirements. Fox River Associates is dedicated to assisting you in choosing the appropriate release liner to help you grow your business.

1. Adhesive Compatibility

• Different adhesives, such as acrylics, silicones, and rubber-based adhesives, interact differently with silicone coatings. Matching the release liner to the adhesive ensures consistent performance and prevents issues like adhesive transfer or excessive release force. Click here to learn how to choose the right release liner for your adhesive.

2. Release Force

• The release force must align with the application. Medical patches often require low release forces, while heavy-duty tapes may need higher release forces for stability.

3. Environmental Resistance

• Consider factors like temperature, UV exposure, and moisture, for example. Certain substrates and release coatings are more suitable for outdoor applications.

4. Dimensional Stability

• For die-cutting or intricate designs, the release liner must resist stretching or deformation to ensure precise cuts and alignment during manufacturing.

5. Die Cutting Requirements

• Release liners used in die-cutting must offer clean cutting edges, minimal distortion, and resistance to curling.

Choosing the right siliconized release liner involves a careful evaluation of the application, adhesive type, environmental conditions, and processing requirements. For medical devices, precision and sterility are paramount. Composites demand durability and temperature resistance, while tapes and labels benefit from dimensional stability and smooth release characteristics. Building materials require rugged performance and environmental resistance. By partnering with Fox River Associates to select the right film release liner substrate or paper release liner substrate and silicone coating, you can optimize production efficiency, reduce costs, and ensure the success of your final product.

It takes an experienced, proven release liner supplier to understand the requirements of such a diverse range of applications . . . an innovative release liner supplier, highly skilled in product knowledge and problem solving. Fox River Associates is that release liner supplier.

Fox River Associates delivers the highest quality release liners for all market applications. Our experienced team is ready to work with you. Contact us today at 1-800-647-6579 or email us at info@foxriverassociates.com.

 Release liners are highly technical products. Need to learn more about the basics? Check out this information about What is a Release Liner?

We Offer the Highest Quality Products

At Fox River Associates, we provide a wide variety of high quality release liners for your application requirements. Our technical sales team will assist you in matching silicone release technology and release liner substrates with your adhesive and chemical technology. We work hard to ensure we have release liners that deliver consistent performance from sample to scale up to full production. We have access to the latest silicone and coating technology for film and paper release liners to ensure you are getting the highest quality products available.

Our product offering includes:

• Films: LDPE, HDPE, PP, PET, Specialty Coextruded and Embossed
• Papers: Glassine, SCK, PCK, CCK, and Specialty Base Papers
• Coatings: S1S, S2S, Equal and Differential; Solvent, Solventless, UV; Non-Silicone
• Enhancements:  Colors, Printing

To learn more about how our team can help you, contact Fox River Associates today. Call 1-800-647-6579 or email info@foxriverassociates.com. 

Release Liner Where You Need It When You Need It

What makes Fox River Associates uniquely different is our fast response time, our low minimum order quantity, and the availability of our products. From sample to scale up to full production, the Fox River Associates team is ready to serve you. Our team is responsive to your needs.

Our business model allows us to supply smaller quantities to match your needs – especially during sampling and scale up. Unlike other suppliers that restrict you to large minimum order quantities and make you wait for production and delivery, the core to our service philosophy at Fox River Associates is to carry inventory of the release liner products needed to serve our customers. Through our extensive warehouse partners around the US, our team is dedicated to deliver your products in a timely fashion – helping you grow your business! We can deliver the product you need, in the quantity you need, when you need it.

Our inventory program is unmatched in the industry. Contact Fox River Associates today to learn more about how we can help your business. Call 1-800-647-6579 today or email our technical team at info@foxriverassociates.com.

Fox River Associates is now ISO 9001:2015 Certified