Polypropylene Pop Quiz

If cost is an issue, rubber adhesives might not be a viable choice. Rubber also tends to yellow, which isn't workable for the no-label look. Water-based adhesives might not provide the best bond, but they are clear and have a more desirable cost structure.

On rough surfaces, harder adhesives won't wet out to penetrate the surface as well as softer formulations such as water or rubber. Untreated surfaces with lower surface energy typically need more aggressive adhesives for initial tack.