Could you Eliminate the Need for a Primer?

When building an adhesives process, no one’s first thought is primers. Used to modify a surface by adding a layer that can be bonded to — also known as chemical bridging — primers promote adhesion. They are typically used to promote bonding with low surface energy plastics or difficult to bond metals. While primers can promote adhesion and create a stronger, longer-lasting bond, they are an additional process step and carry H&S considerations. In many cases, the use of a primer can be designed out, or substituted for a surface treatment process. Here Kevin Brownsill, head of technical: learning and development at adhesives specialist Intertronics, discusses.