## http://discourse.fablabelpaso.org/t/prohibited-materials-for-laser-cutting/31

Bad:
- Chlorinated plastics (PVC, vinyl, pleather, Sintra, Kydex, etc...)
- Polycarbonate / Lexan
- ABS
- HDPE (milk bottle plastic)
- Polystyrene foam
- Polypropylene foam
- Fiberglass
- Coated carbon fiber
- Pressure treated wood

Good:
- Solid Wood
- Plywood
- MDF and LDF
- Paper, Card stock, Cardboard
- Cork (natural works best)
- Acrylic
- Delrin
- Kapton
- Mylar
- Styrene sheet
- Depron foam
- Gatorfoam
- Natural-fiber Cloth
- Vegetable-tanned Leather and Suede
- Magnet sheet
- Special Laser Cutting Rubber
- Teflon sheet
- Uncoated Carbon Fiber
- Coroplast


## http://www.troteclaser.com/en-US/Materials/Pages/Foam-Filter-Mats.aspx

Good (foams):
- polyester (PES)
- polyethylene (PE)
- polyurethane (PUR)
- Neopren 

## http://atxhackerspace.org/wiki/Laser_Cutter_Materials

Bad:
- PVC (Poly Vinyl Chloride)
- vinyl
- pleather
- artificial leather
- Thick ( >1mm ) Polycarbonate/Lexan
- ABS
- HDPE/milk bottle plastic
- PolyStyrene Foam
- PolyPropylene Foam
- Fiberglass
- Coated Carbon Fiber

Good:
- Acrylic/Lucite/Plexiglas/PMMA
- Thin Polycarbonate Sheeting (<1mm) 
- etc.