Laser Marking Spray 2 x 13oz Aerosol - High Contrast Black Metal

In this review the focus is on a practical consumable for metal engraving: a pair of 13oz aerosol cans of laser marking spray aimed at makers who use CO2 and fiber lasers. The bottom line is simple: this spray is for hobbyists, small shops, and jewelry makers who need a quick way to get high contrast, permanent black marks on bare metals with a 25W and above CO2 laser or richer contrast with a fiber laser. It earns recommendation for ease of use and fast drying while remaining a low-cost way to add permanent black engraving to aluminum, stainless steel, or brass projects.

Key Features

• High contrast black marking: The formula produces permanent black designs after laser engraving, turning from a white spray coating into an intense black finish when lasered.
• Works on many metals: The fluid is suitable for common workshop metals such as aluminum, stainless steel, and brass, enabling customization of jewelry, tumblers, and tools.
• Even, clog-resistant spray: Each 13 fluid ounce aerosol has a clog proof nozzle that lays down a thin, uniform coat for consistent marking across small and medium parts.
• Fast drying: The cadmium-free ink dries in under five minutes at room temperature or about two minutes with a hot air blower, which speeds up batch work.
• Easy cleanup: Excess, unmarked spray washes off with a simple rinse after engraving so finished parts require minimal postwork.

Who It's For

This product is best for hobbyists, makers, and small shop owners who use CO2 lasers of around 25W and up, or fiber lasers seeking more vivid results. It works well for creating custom tumblers, serialized tools, or personalized small metal goods where permanent, high contrast black marks are desired.

Those who should look elsewhere include users needing waterfast printed inks without laser processing, or shops that require guaranteed industrial durability specs beyond a laser-marked surface. Also, people using very low-power diode lasers should test first, since performance is optimized for 25W CO2 and fiber systems.

Pros & Cons

Pros

• Produces clear, permanent black marks after lasering for readable, attractive engraving.
• Fast drying cadmium-free formula reduces wait time between coating and processing.
• Even application from the clog-resistant nozzle results in consistent marks and less rework.

Cons

• Nozzle issues were reported by some users, so occasional clogging can interrupt workflow.
• Color appearance before engraving is white, which may surprise users expecting a dark precoat.

Specifications

Product	Laser marking spray
Pack size	2 x 13 fl oz aerosol cans
Compatible machines	CO2 lasers 25W and above; fiber lasers for more vivid results
Metals	Aluminum, stainless steel, brass and many others
Drying time	Under 5 minutes (about 2 minutes with hot air)
Ink content	Cadmium-free metal marking fluid

Our Verdict

This two-can set is a practical, cost-effective solution for makers and small shops that need quick, high contrast black engraving on common metals. It combines easy application, fast drying, and simple cleanup to speed small production runs, making it a good value for users with compatible laser power who want reliable, permanent marks without expensive alternatives.

Frequently Asked Questions

Can I use this with a 12W diode laser?
Some customers reported it works with 12W diode lasers, but best results are achieved with CO2 lasers 25W and above or with fiber lasers for richer contrast.

How do I remove excess spray after engraving?
Unmarked excess washes off easily with a rinse; customers describe the residue coming away like dust after processing.

Does the spray contain heavy metals?
The product is described as cadmium-free, which reduces certain toxicity concerns compared with older marking inks.