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Dimensionally Stable UV Curable System with a High Glass Transition Temperature

19 Sep 2017

Suitable for high production applications, Master Bond UV25 offers fast fixture times, rapid curing and high temperature resistance. This multifunctional one component UV curable system was developed for bonding, sealing, coating and encapsulation applications. It is widely used in aerospace, fiber-optic, optical, electronic and related industries.

Master Bond UV25’s most notable feature is its thermal stability, with a glass transition temperature of 186°C. It is serviceable over the broad range of -60°F to +500°F. Additionally, this material is optically clear with a refractive index of 1.55 at room temperature.

Upon exposure to a UV light source emitting at a wavelength of 320-365 nm with an energy output of 20-40 milliwatts per cm² UV25 cures in 20-30 seconds. The rate of cure also depends upon the compound’s distance from the light source, the thickness of the section and the intensity of the light source. It is not oxygen inhibited and therefore does not require any special treatment in that regard. The product does not contain any solvents or volatiles and features low shrinkage upon curing. It bonds well to glass, surface treated metals and plastics such as polycarbonates and acrylics, among others.

When being used in potting applications, this system can cure in section up to 0.100-0.120 inches. At room temperature, UV25 has a moderate viscosity of 7,000-11,000 cps. It is also a competent electrical insulator.

UV25 can be stored for up to 6 months in its original, unopened containers with no exposure to light. It is available in syringes, ½ pint, pint, quart, gallon and 5 gallon containers.

For more information click here.

CONTACT DETAILS
Master Bond Inc.
154 Hobart Street
Hackensack
NJ
07601
United States
Tel: +1 201-343-8983
Fax: +1 201-343-2132
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