Advanced UV Protective Coating for PCB Boards
The ZDS-3661B / ZDSCF19631B is a high-performance UV conformal coating specially formulated for PCB protection. This transparent liquid provides exceptional three-proof performance against moisture, chemicals, and dust, making it ideal for sensitive electronics applications. Engineered for efficient curing under UV light with a medium pressure mercury lamp, it rapidly forms a durable, hard coating with a hardness of 85D, ensuring robust protection and minimal maintenance. Its moderate viscosity range of 250-350 cps allows for easy application and even coverage on complex PCB structures. Designed to meet the demanding standards of the electronics industry, this product safeguards circuits from environmental hazards and improves long-term reliability. The coating’s clarity ensures aesthetics are maintained while affording maximum protection.
- Protects critical PCB components from moisture and contaminants
- Rapid UV cure enables quick production cycles
- Suitable for automated and manual application methods
- Maintains transparency for visual inspections
- Robust hardness for rigorous industrial environments
- Low viscosity range for smooth, consistent coverage
- Ideal for electronics, automotive, solar, and industrial sectors
The ZDS-3661B offers an essential solution for conformal coating needs, combining advanced UV protection with optimized processing and ease of use. Whether in high-volume manufacturing or precision applications, this product boosts reliability and reduces the risk of operational failures caused by environmental stresses.





