Case Study: Enhancing Release Consistency for an Industrial Adhesives Producer

Executive Summary

We partnered with a leading UK adhesives manufacturer to solve issues with release performance during high-pressure bitumen extrusion. Our team developed a high-temperature coated release paper with improved surface control and stability. The results were clear – a 6% drop in material failure, a 20% longer liner life, and smoother coating transfer across all production runs. This project highlights our strength in creating engineered coated papers that deliver consistent, high-performance results for demanding industrial applications.

Background & Challenge

Our client runs several extrusion lines that make bitumen and adhesive products for construction and other industries. These production lines need release papers that stay strong and reliable when exposed to high heat and pressure.

The old liner caused several problems:

• Uneven release at high temperatures

• Surface marks on adhesive coatings

• Short life span, leading to extra maintenance and downtime

The client asked Linwood Raker to design a more stable, heat-resistant liner that could perform consistently and help improve line efficiency.

Our Solution

Our technical team started with a full review of the client’s extrusion process. We studied temperature patterns, pressure cycles, coating mix, and release strength.

From this, we designed a custom high-temperature release paper that performs consistently under demanding conditions.

Its key features included:

• Controlled surface tension for smooth, even release under pressure

• Strong heat resistance to protect coating quality at high temperatures

• Balanced coating for steady adhesion and clean separation

• Stable paper strength to prevent twisting during winding and rewinding

All coating and finishing took place at our Nottinghamshire site, giving full control over quality and traceability.

Implementation

We ran a three-week trial on two of the client’s extrusion lines. During this time, our team measured release strength, liner handling, and surface quality under normal production conditions.

Our engineers worked with the client’s production team to assess:

• How well the coating transferred

• How evenly the liner released under pressure

• How long the liner lasted through repeated runs

The results were clear. The liner stayed stable, released cleanly, and performed reliably — ready for full-scale production.

Results

Following implementation, the client achieved clear operational benefits:

These gains underline how carefully engineered release liners can drive measurable efficiencies in high-pressure adhesive manufacturing.

Client Feedback

“The new release liner reduced downtime and improved lamination quality. Linwood Raker’s technical understanding of our process made a noticeable difference in overall consistency.”
— Wayne Patterson, Production Manager

Key Takeaways

• Tailored, data-driven coating design delivers tangible production benefits
• Optimising release surface chemistry improves line consistency and product quality
• Increased liner lifespan directly supports cost reduction and uptime improvement
• Collaborative technical partnerships yield better long-term results for industrial clients