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What is Laser Marking? 2022 Guide

What is Laser Marking

If you are looking for a fast, efficient way to mark your plastic products, then laser marking is the answer. Laser marking is a process that uses a laser beam to engrave or mark an object. It is often used to mark products with text, logos, serial numbers, and other identifying information. In this blog post, we will discuss the benefits of laser marking plastic and how to do it yourself!

What is Laser Marking?

Laser marking is the process of using laser energy to produce a permanent mark on an object. The laser beam vaporizes the surface material, leaving a contrasting mark against the background material. The Laser marking machine is often used for product identification and traceability purposes. The laser marking process can be used on a variety of materials, including metals, plastics, and silicon.

3 Laser Marking Techniques Of 2022

There are three laser marking techniques: laser engraving, laser etching, and laser ablation.

1. Laser Engraving

Also known as laser scribing or laser inscribing, this technique is used to produce a permanent mark on metal surfaces by removing the material from the surface. The laser beam rapidly heats the surface to a temperature high enough to cause vaporization. The laser beam moves across the material, removing material in its path and leaving behind a mark. This creates the contrast between the laser-etched area and unattached background because of differences in reflectivity or color.

2. Laser Etching

The laser etching process is similar to laser engraving. The laser beam is moved across the surface of the material, vaporizing it and leaving a contrasting mark against the background. Laser etching is often used on metal surfaces like aluminum, brass, or stainless steel to create a laser etched finish that resembles acid-etched glass or polished stone. Laser etching can be used for laser etching logos and laser etching serial numbers or other laser etched markings on a product.

3. Laser Ablation

This laser marking process is used to produce marks on plastic surfaces by removing material from the surface without penetrating all the way through. Similar to laser engraving, the laser beam moves across the surface of the material as it evaporates it and leaves behind laser markings that contrast with the surrounding material.

Does laser Engraving Work on Plastic?


Laser marking plastic is a great way to permanently mark a variety of materials. In this blog post, we explored three laser marking techniques: ablation, carbon transfer, and dye sublimation. Each technique has its own benefits and drawbacks, so it’s important to choose the right one for your needs.

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We hope you found this information helpful and are ready to start laser marking your own plastic products!

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