Adhesive failure is rarely a material problem. Most failures originate in converting — and they don’t appear until validation, production scaling, or field use.
Many suppliers reference quality systems and process control. ISO 13485:2016 defines what those terms actually require — and what separates a certificate on the wall from a quality system that
Cleanroom manufacturing is often treated as a default. The real question is whether your application’s contamination risk requires environmental control during converting.