PCB sulfur-free paper, also known as halogen-free paper, is an eco-friendly material used as the base material in the manufacturing of printed circuit boards (PCBs). This paper does not contain harmful substances like chlorofluorocarbons and brominated compounds, posing no negative impact on the environment or human health, and is thus increasingly adopted by manufacturers.

Traditional PCB manufacturing processes often use materials containing harmful substances like chlorofluorobromine, which can generate pollutants during industrial production, affecting the environment and human health. Therefore, using halogen-free paper as the base material can reduce the negative impact on the environment and align with the increased awareness of environmental protection.

Compared to traditional PCB materials, sulfur-free paper boasts higher mechanical strength, is more conducive to meeting higher processing precision requirements, and is also more resistant to high temperatures and chemical corrosion. This makes sulfur-free paper one of the ideal materials for manufacturing high-performance PCBs.

During the PCB manufacturing process, sulfur-free paper is used as the base material. In this process, other production techniques must also be adjusted to accommodate this material. For instance, sulfur-free paper is prone to cracking or damage during processing, so more gradual and precise techniques are required to ensure product integrity throughout production.

Overall, sulfur-free paper has a wide range of applications in PCB manufacturing, enhances environmental awareness, improves product performance, and is an important advancement in the PCB manufacturing field.