Updated: October 2026
Customers will bring you everything – and the machine’s beam does not distinguish between a safe material and a poison-gas generator. This chart sorts common materials into three honest buckets: safe to cut, engrave-only, and never-lase. Keep a printed copy above the machine; a sales rep saying this film is just plastic melts before the extractor’s carbon bed does. All figures are estimates (est.).
Safe to Cut and Engrave
| Material | Cut capacity, 100W class | Engraves | Notes |
|---|---|---|---|
| Acrylic, cast and extruded | up to 8-10 mm clean | cast only, frosty | machine’s signature material |
| MDF | up to 8-12 mm | yes | resin smoke demands rated extraction |
| Plywood | up to 6-10 mm | yes | glue lines scatter the beam; marine ply cleanest |
| Solid wood | up to 6-10 mm | yes | resin woods char; alder and maple prettiest |
| Leather and suede | 3-5 mm | yes | natural leather only; artificial hides vary |
| Fabric and felt | thin stacks, one pass | singe effect | natural fibre safer than melt-prone synthetics |
| Paper and card | any, even business-card stock | yes | wedding invites and toppers niche |
| Laser-stamp rubber | up to 3 mm | yes | odor-dense; strong extraction mandatory |
| Cork | up to 6 mm | yes | coasters and notice boards |
Engrave Only – Never Cut
| Material | What the laser does | Notes |
|---|---|---|
| Glass and mirror back | frosts surface, engraves mirror coating | never cut – glass reflects and shatters unpredictably |
| Stone, marble, ceramic | surface etch and photo marks | photo plaques niche, slow power |
| Anodized aluminium | marks through anodize dye | bare metal below is untouched |
| Painted or powder-coated metal | burns coating to bare metal mark | popular nameplate trick |
| Marking-spray treated steel | bonds dark permanent mark | spray-consumable per job adds cost |
Never Bring Into the Machine
| Material | Why |
|---|---|
| PVC and vinyl of any kind | chlorine gas – harms lungs and corrodes the entire machine |
| Polycarbonate sheet | yellows, flames easily, poor cut quality |
| ABS plastic | melts messily and emits cyanide-family fumes |
| Fiberglass and epoxy composites | toxic fumes and glass fibres in optics |
| Carbon fiber | toxic dust, poor edge quality, conducts towards electronics |
| Unknown plastics or films | no SDS from supplier means no job – chlorine family hides in many films |
The Unknown-Material Check Before Any First Job
| Step | What to do |
|---|---|
| 1. Ask the supplier | demand the material name and data sheet; genuine suppliers have them |
| 2. Network check | compare against the never-list above and known carved materials |
| 3. Corner test | small corner pass at low power with extra ventilation while smelling for sharp chemical notes |
| 4. Refuse or proceed | when in doubt, decline the job – Rs 5,000 revenue is not worth a machine recoat |
Quick Thickness Reference, 100W Class (est.)
| Material | Clean daily cut | Extreme, slow |
|---|---|---|
| Acrylic | 8 mm | 12 mm |
| MDF | 9 mm | 12 mm |
| Plywood | 6 mm | 10 mm |
| Leather | 3 mm | 5 mm |
| Fabric felt | 3 mm | 5 mm stacked risky |
Our Verdict
Keep three lists at the machine: safe, engrave-only and never – and make one rule culture: no material enters the bed without a name and a supplier sheet. That one habit has saved more machines than every chiller combined. Pair materials knowledge with extraction sized from the Rs 1 Cr trophy and marking factory study floor logic, browse CO2 laser machines and dust collectors, and plan safe-shop builds with the all-India printing business startup guide.
FAQs – CO2 Laser Materials Chart 2026: What It Can Cut
Can a CO2 laser cut metal?
No – it only marks metal coatings or anodized surfaces. Cutting metal sheets requires fiber laser cutting machines, a different technology and price class entirely.
Is it safe to laser engrave glass?
Yes for surface frosting – scores of personalized glass gifts use it, with a wet-paper technique to reduce chipping. Never try to cut glass; it reflects and can shatter.
Can I cut vinyl records or PVC sheets on a CO2 laser?
Absolutely not. PVC releases chlorine gas even at low power, damaging operators and corroding the machine’s internals. Vinyl records, PVC banners and vinyl sheets are all banned materials.
Is MDF safe to laser cut?
Yes, with a rated extractor – MDF resins create formaldehyde-family fumes and dense particulate. Cut it well-ventilated, filter the exhaust, and operators wear respiratory protection.
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