A converted product’s carrier or backing material is one of the most important decisions when designing pressure sensitive adhesives. The carrier has to possess the right qualities to match the application (will it be hand applied or automatically dispensed?) and the processing (will it be slit or die-cut?).
Recently, we explored the basics of release liners in this article. In today’s blog post, we’ll dive into the physical components of backing (or “carrier;” we’ll use both terms throughout) and how it helps the converting process.