MECHANIC UVH900 Series UV Curing Solder Mask Ink is a top-quality acrylic oligomer material that serves as a protective layer on printed circuit boards. With a dielectric strength exceeding 500V/mil and RoHS compliance, this solder mask oil ensures insulation and prevents short circuits. Offering resistance up to 265 degrees Celsius, hardness above 5H, and a capacity of 10cc, it effectively shields against moisture, corrosion, and oxidation. Ideal for PCB board repair and industrial applications, this solder mask ink oil helps prevent physical disconnections, solder waste, and copper contamination. It enhances circuit density, reduces oxidation risks, and safeguards against short circuits and environmental factors. The product requires UV curing and provides long-lasting protection. Featuring a rainbow series with multiple colors for customization, this UV curing solder mask ink is perfect for repairing PCB circuit boards. Choose a color according to your needs to insulate against shorting and arcing, ensuring durability and resistance to corrosion and moisture. With a shelf life of up to 12 months in a refrigerated environment, this ink offers strong adhesion and prolonged viscosity time. Environmentally friendly and sensitive to ultraviolet light, this solder mask ink requires careful storage. Developed by a professional R&D team, it utilizes thixotropic agents for efficient energy and special solder for optimal printing results. Its compact and delicate packaging reflects uncompromising performance in a lightweight body.