Laser Marking on Plastic

Plastic is a versatile material used extensively across various industries, and laser marking on plastic offers numerous benefits. Whether you need to mark product information, logos, or serial numbers, laser marking provides a durable and high-quality solution. This page explores the different plastics suitable for laser marking, the laser marking processes on plastics, and the advantages of laser marking on plastic.

Why Laser Marking on Plastic?

Laser marking on plastic is a preferred choice in many industries due to its numerous advantages. Whether you’re aiming to enhance product identification or to improve traceability laser marking provides a reliable and efficient solution.

One of the key benefits of laser marking on plastic is its durability. Unlike other marking methods, such as inkjet printing or labels, laser marking creates permanent markings that are resistant to wear, fading, and smudging. This ensures your product information remains intact throughout its lifecycle, even in harsh environments.

Additionally, laser marking on plastic offers high precision and accuracy. The laser beam can be controlled with great precision, allowing for intricate designs, small fonts, and detailed graphics to be marked on plastic surfaces. This precision is especially beneficial for industries requiring small, fine markings, such as medical devices, electronics, and automotive components.

Moreover, laser marking on plastic provides versatility in its applications. It can be used for various purposes, including product identification, serial numbers, barcodes, logos, and decorative markings. This makes laser marking a versatile solution for a wide range of industries, from manufacturing and packaging to aerospace and consumer goods.

Compared to other marking methods, laser marking on plastic offers several advantages. It eliminates the need for consumables like ink or labels, reducing ongoing costs and environmental waste. Laser marking is also a non-contact process, ensuring minimal impact on the integrity of the plastic material. Additionally, laser marking is a fast and efficient method, allowing for high-speed production lines without compromising on quality.

Different Plastics Suitable for Laser Marking

Understanding the different types of plastics commonly used for laser marking is crucial for optimal results and durability. Here are some commonly used plastics suitable for laser marking:

  • Acrylic: Acrylic is versatile and can produce high-contrast markings, making it popular in signage, displays, and consumer products.
  • Polyethylene: Known for its excellent chemical resistance and durability, polyethylene is commonly used in packaging, bottles, and industrial applications.
  • Polypropylene: Offering good chemical resistance, polypropylene is used in automotive parts, medical devices, and consumer products.
  • Polyester: Durable and capable of withstanding harsh environments, polyester is used in electronics, labels, and automotive applications.

When considering laser marking on different plastics, factors such as laser wavelength, power, and marking speed can impact the quality and permanence of the marking. The surface finish and color of the plastic also affect the contrast and visibility of the marking.

Laser Marking Processes on Plastics

Laser marking techniques have revolutionized the way plastics can be marked, providing precise and permanent markings on a wide range of plastic materials. This section provides an overview of different laser marking processes on plastics, compares laser engraving, etching, and marking techniques, and highlights best practices for achieving high-quality markings.

When it comes to laser marking plastics, several techniques are available, each with its own advantages and applications:

  • Laser Engraving: This technique involves removing the top layer of the plastic material, creating a permanent mark. It is commonly used for branding, identification, and aesthetic purposes.
  • Laser Etching: Creating a shallow groove on the surface of the plastic, laser etching results in a textured mark. This technique is often used for decorative purposes or to improve grip on plastic products.
  • Laser Marking: The most versatile technique, laser marking changes the color of the plastic by heating it with the laser beam. This creates a contrasting mark without removing or damaging the material.

To achieve high-quality markings on plastics, it is essential to consider a few best practices. First, selecting the appropriate laser marking technique based on the desired outcome is crucial. Additionally, optimizing laser parameters such as power, speed, and frequency can help achieve the desired mark quality. Proper focusing of the laser beam and maintaining consistent material positioning are also important factors. Finally, using high-quality plastics specifically designed for laser marking can significantly improve the results.

Videojet’s Laser Marking Solutions for Plastic

Videojet Technologies offers laser marking solutions tailored for the precise, clean, and efficient marking of plastic materials. Our laser systems are engineered to deliver high-quality, permanent marks ranging from simple codes to complex graphics with speed and accuracy.

The advantages of using Videojet laser marking systems for plastic include minimal consumables, reducing ongoing costs, and an environmentally friendly marking process without inks or chemicals. Additionally, Videojet lasers are highly adaptable to various plastic types and colors, ensuring optimal contrast and legibility.

With user-friendly interfaces and robust construction, Videojet’s lasers are designed for easy operation and integration into existing production lines, providing a reliable, low-maintenance solution for your plastic marking needs.

Discover the Videojet range of industrial laser marking systems.

Contact Us

New Equipment Sales:
(866) 871-3226

Service & Support:
(833) 760-0609


Contact Us:

New Equipment Sales: (866) 871-3226
Service & Support: (800) 843-3610