The oven’s job is to drive water or solvent out of a solution, dispersion, or emulsion by impinging hot air on the wet web. Exit air carries the vapor. Line speed sets dwell. A speed that is too slow is as bad as one that is too fast. That narrow window applies to every liquid adhesive or coating that needs an oven.
What's in this guide
- Too fast
- Too slow — thermoplastic
- Too slow — thermoset or curing adhesive
- Blister and appearance