This page lists 40 community-tested settings for Polypropylene (Coroplast). Always test on scrap before committing to your final piece. Results depend on material composition, surface finish, and coating.
Corrugated polypropylene sign board (Coroplast/Correx) -- the common real-estate/yard-sign material. Softer and thinner than acrylic, cuts and engraves reasonably cleanly with air assist.
Showing top 12 of 20 machines. See full list below.
40 settings
What are the best laser settings for Polypropylene (Coroplast)?
A top-rated community setting for Polypropylene (Coroplast) on the Thunder Laser Nova 24 is speed 25 mm/s, power 33%. There are 40 community-tested settings for Polypropylene (Coroplast) across 20 machines on this page.
Can a diode laser engrave or cut Polypropylene (Coroplast)?
Yes - there are 20 community settings for Polypropylene (Coroplast) on diode lasers and 20 on COโ lasers. COโ lasers generally cut faster and cleaner, but modern high-wattage diode lasers handle most plastic work well.
Do I need air assist for Polypropylene (Coroplast)?
50% of the community settings for Polypropylene (Coroplast) use air assist. Air assist is strongly recommended - it reduces charring and improves cut quality.
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