Easy to handle with one-component UV curing, high Tg epoxy resin equivalent to flame retardant V-0. Low viscosity of 1,300 mPa·s allows for penetration into fine details, ensuring reliable protection of electronic components.
"TRU-0251FR" is a one-component UV-curable epoxy resin suitable for coating and sealing applications of electronic components. It requires no mixing process, making it easy to handle, and allows for rapid curing through metal halide lamp irradiation (3,000mJ/cm²), significantly contributing to productivity improvements in mass production processes. This product has a low viscosity of 1,300 mPa·s, providing excellent workability and making it easy to apply to narrow spaces and complex-shaped parts. The cured material exhibits excellent mechanical properties with a Shore D hardness of 85, a bending strength of 50 MPa, and a bending modulus of elasticity of 1,400 MPa, along with a glass transition temperature of 91°C, demonstrating stable thermal characteristics. Its flame retardancy and low water absorption rate of 0.5% also ensure excellent moisture and heat resistance and safety. [Features] - One-component UV-curable epoxy resin - Rapid curing with UV irradiation (3,000mJ/cm²), suitable for mass production processes - Good workability with low viscosity (1,300 mPa·s) *For more details, a product specification sheet is available for download as a PDF from the link below, or please contact us. *Samples are also available, so please reach out if needed.
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【Other Features】 ■ High strength and high hardness (bending strength 50MPa, Shore D85) ■ High Tg 91℃, stable properties with a linear expansion coefficient of 98ppm/K ■ High insulation (over 25kV/mm, more than 1×10^15Ω·cm) ■ Flame retardant: equivalent to UL94 V-0 (5mm thickness) ■ Low water absorption rate of 0.5% with high moisture and heat resistance *For more details, please download the PDF or feel free to contact us.
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【Applications】 ■Sealing and bonding of electrical and electronic components ■Protective coating for electronic components ■Reduction of process time with UV-curable resin *For more details, please download the PDF or feel free to contact us.
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Terada Corporation has been providing its own products and materials to various industrial sectors, focusing on electronic devices and chemical products. Utilizing our long-standing expertise in resin and adhesive technology within the electronics industry, we contribute to Japan, the world, and the planet.

