Transfer tape for thin adhesive bonds

The liner is the removable protective covering over the adhesive layer. It is part of handling before and during application and is not the same as a permanent carrier. The tesafix 4985 product information specifies release paper as the covering and no carrier. Other transfer constructions use a polyester film liner. Check the specific product to see how the liner is wound and when it should be removed in your process. This is especially relevant when feeding a continuous web or processing die-cut parts.

No. A carrier-free adhesive film is a common construction, but the term transfer tape does not define every internal structure. The tesafix 4985 product information explicitly states that the carrier material is absent. Another documented construction includes a polyester scrim within the adhesive film to support dimensional stability and processing. Compare the carrier, adhesive and liner specifications before selecting transfer tape for a thin bond line or an automated application process.

The suitable thickness depends on the parts being joined, the required overall build and the available bonding area. The range includes, for example, carrier-free tesafix 4985 Transfer at 50 µm and tesa 75507 at 75 µm. These are values for specific products, not a general thickness range for transfer tape. A thinner layer alone does not demonstrate better adhesion or suitability for rough surfaces. Check the adhesive and product data against your surfaces and the load on the finished bond.

Identify the intended transfer tape or describe both parts, their surfaces and the required function of the bond. For cutting, give the dimensions and delivery format; for a die-cut part, also give the outline and the processing step at which the liner will be removed. Krückemeyer GmbH converts suitable materials into application-specific sizes and shapes. The suitability of a particular transfer material for your geometry and operating conditions is assessed against the material and application.