About PVC Laser Marking

Kristy Xu
4 min readOct 31, 2022

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With the development of technology and economy, the value of laser marking machine equipment in the market is becoming more and more prominent and widely used in many industries, not only to save manpower but also to improve its efficiency and quality of work, and excellent performance of fiber laser marking machine is more popular, not only in soft materials but decorative industries used in the metal industry also has its figure.

First of all, the general knowledge of PVC material: PVC material is a non-crystalline vinyl polymeric substance, this substance has good resistance to oxidizing agents, and reducing agents, and aids strong ac. Therefore, many industries have used this material, such as electrical housings, sewerage, industrial accessories, etc.; so often on its surface engraved logo, generally speaking in the PVC material marking, the use of near-infrared laser or far-infrared laser.

Far-infrared laser marking machine is the most common is the carbon dioxide laser marking machine, which can hit the PVC material yellow-red lettering, the wavelength of this laser is 10.6u, but the PVC material marking yellow-red logo is not so popular; so they choose the near-infrared laser: such as fiber laser marking machine and semiconductor laser marking machine, their wavelengths are around 1060nm, and the color of the marking is black.

The fiber laser marking machine is considered to be the best laser instead of a semiconductor laser, because of its excellent beam quality, frequency of up to 40–170K, compact size, and small spot, with a small spot oscillator that can reach a very high speed, even in the marking line speed exceeds the effect of CO2 laser. Therefore, it is increasingly used for marking PVC materials.

In addition to the use in PVC materials, fiber laser marking machines are also popular in the fields of integrated circuit chips, computer parts, industrial bearings, clocks, and watches, electronic and communication products, aerospace devices, various automotive parts, home appliances, hardware tools, molds, wires, and cables, etc.

About EM-Smart With the 24 years’ laser industry experience of its parent company CH Laser, CDI Tech has been committed to designing and manufacturing portable laser marking machines as well as developing innovative laser solutions for a wide range of industries. Since its establishment in 1998, the company has been focusing on providing system-wide laser processing equipment and solutions for automatic production line for all Industries for 24 years. As a national high-tech enterprise dedicated to global laser processing solutions, it has a modern production base with an area of over 7,000+㎡ equipped with a full set of testing equipment. Technical personnel account for more than 80% of the total employees of the company, among which senior and intermediate technical personnel account for more than 50%, having served more than 20,000 customers. The company has been cooperating with many domestic scientific research institutes. The R&D team has continuously developed and released new products, formed its own unique and effective scientific research system, obtained more than 50 patents of national inventions and utility models, and developed a series of high-end laser machines, which makes CDI Tech the pioneer of China’s laser equipment manufacturing industry.

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