What Materials Can (and Can’t) Be Laser Cut?
Laser cutting is a precise, efficient, and clean method of shaping materials, widely used across industries from signage and architecture to automotive and electronics.
However, not every material is suitable for this technology, and some can even pose safety risks.
In this comprehensive guide, we’ll outline which materials are ideal for laser cutting, which should be approached with caution, and which are strictly off-limits.
Materials We Can Cut
Metals (Sheet Form Only)
Laser cutting is exceptionally effective for thinner metal sheets, providing high-speed, high-precision results.
Best options include:
Mild Steel – up to 20–25mm; commonly used for structural components, automotive parts, and enclosures
Stainless Steel – smooth edges, corrosion-resistant finish, ideal for kitchen equipment and medical devices
Aluminium – more reflective, but suitable with fibre lasers; used in signage, brackets, aerospace parts
Brass & Copper – challenging due to reflectivity, but can be cut with the right machine and safety measures
Note: Reflective metals like copper and brass require a high-powered fibre laser and may need anti-reflection coatings.
Materials that Should not be Laser Cut
Cutting the following materials can damage a laser machine or pose serious health risks:
PVC (Polyvinyl Chloride): releases hydrochloric acid and toxic fumes; corrosive to laser components
ABS Plastic: melts instead of vaporising; produces sticky deposits and thick smoke
Fibreglass: contains glass fibres and resin; dangerous fumes and poor cut quality
Polycarbonate (thick): resists clean cutting and releases fumes
Teflon (PTFE): highly toxic when burned
These materials can produce chlorine, cyanide, or fluorine gas all extremely hazardous.
An Alternative to Laser Cutting
Laser cutting isn’t always the best method for the job, especially for highly reflective metals, thicker materials, or plastics that can release harmful fumes when burned.
Our waterjet cutting service provides the ideal solution when this is the case. It delivers clean, accurate results across a wide range of materials, without the heat or distortion that laser cutting can sometimes cause.
From thick steels (including hardened tool steels), titanium, copper, and brass, to plastics, acrylics, wood, ceramics, stone, and even foam for case inserts, our waterjet machines handle it all. Unlike lasers, we can also cut reflective materials with ease.
Unsure Which Cutting Method is Right?
Choosing the right cutting technique can be the difference between a flawless finish and a compromised result.
At Northwest Waterjet, we support clients across the UK with expert guidance and tailored solutions, all delivered with precision, reliability, and attention to detail.
Contact our team for honest advice, competitive quotes, and high-quality results.