What Is A Kiss Cut?

                A kiss cut is a specialized technique that creates a shallow incision in materials using a die or laser method. Unlike traditional cutting, a kiss cut only penetrates the top layer of the material, leaving the pressure-sensitive adhesive liner intact. Essentially, it "kisses" the liner without cutting through it. This cutting technique is particularly effective for closed-cell sponges, foams, and similar materials. It is also widely used for adhesive-backed materials like paper and foil. The primary benefit of kiss cutting is that it allows for easy peeling and application of the cut parts.

Advantages of Kiss Cutting

               One significant advantage of kiss cutting is improved assembly efficiency. End users can quickly and easily peel off kiss-cut parts from the liner, streamlining the process whether using fingertips or machines. Designers might require a liner peel tab to facilitate user grip without kiss cutting. Kiss cutting offers exceptional precision and stability, depending on the materials and cutting processes used. The method is known for achieving tight tolerances, which are critical in applications requiring exact specifications. This accuracy enhances the overall quality and reliability of the final product.

               Another noteworthy benefit is the flexibility in packaging. Kiss-cut parts can be supplied in rolls or neatly organized on sheets, allowing for efficient handling and quick, clean packaging. This can significantly improve logistical efficiency and reduce the time spent on preparation and application.

Types of Liners:

               Pressure-sensitive adhesives require a protective liner to prevent unwanted adhesion and to safeguard the surface during shipping and handling. Liners are carefully engineered to provide specific release characteristics, ensuring the adhesive performs effectively when applied.

               There are several suitable liner materials to consider, each with unique benefits. Densified Kraft Paper is durable and offers good release properties. Poly-coated Kraft is moisture-resistant and possesses enhanced release characteristics. Plastic films, such as PET, PE, HDPE, and PP, are versatile options that excel in various applications, providing excellent release and durability. Board (Heavy Paper) is ideal for heavier applications that require additional support and rigidity.

A PGC application engineer can help you determine whether kiss-cutting is the right choice for your next project. We are here to assist with your product development needs, thoroughly review requirements, and provide a detailed quote.