UV15LV Product Information

Master Bond UV15LV is a high strength, low viscosity, epoxy based UV curable system for bonding, sealing and coating. It is especially noteworthy for its low viscosity and it is widely used in a variety of applications where spin coating is required. It is also completely free of any oxygen inhibition. UV15LV will cure quickly and easily when exposed to a UV light source with a wavelength range between 320-365 nm, with the optimum at 365 nm. The energy required is typically 20-40 milliwatts per cm². The rate of cure depends upon the distance of the light from the material being cured, the thickness of the section and the intensity of the light source. It typically cures in thicknesses of a micron or less up to 0.001-0.015 inches in 15-30 seconds or less. Epoxy based UVs are described as having a “cationic” curing reaction. This kind of system will have lower shrinkage (1-2%) and higher temperature resistance than the majority of UV systems that cure by a “free radical” mechanism. UV15LV has excellent resistance to a wide variety of chemicals including water, acids, bases, fuels and many solvents. It features superb physical strength characteristics and electrical insulation properties. UV15LV has superior adhesion to a wide variety of substrates including plastics, glass and many metals. As is typical with UVs, it has excellent optical clarity and light transmission properties.

Cationic systems, such as UV15LV, tend to have much higher temperature resistance than other UV type systems. Its glass transition temperature (T_g) with a straight UV cure is about 85°C and when post cured for 30 minutes at 125°C, the T_g is about 120°C. This post cure also enhances UV15LV’s chemical resistance. The service temperature range for this system is -80°F to +300°F. It is widely used for a variety of applications in the optical, optoelectronic, aerospace and related industries.

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UV15LV is available is various sizes and units to accommodate customer's needs.