Pending
Reinforced Epoxy features low shrinkage and high physical strength
A nanosilica filled one-component UV curable epoxy called UV22 has been introduced by Master Bond Inc. It has been developed for coating, sealing and encapsulation applications. It features high abrasion resistance, excellent optical clarity, low shrinkage and high physical strength properties. UV22 cures rapidly at room temperature upon exposure to a UV light source and is not oxygen inhibited. It has a service operating temperature range of -50°C to150°C (60 to 300°F). Post curing the UV22 material enhances its temperature resistance profile. Adding heat (90-125°C for 30 minutes) will give it a glass transition temperature of 135°C, far higher than traditional UV systems. The post curing is also effective in increasing its chemical resistance to solvents, acids and bases.
UV22 is said to be easy to use. Despite the relatively high percentage of nanoparticles (>35%) added to the UV22, it still retains high transparency and low viscosity without sedimentation due to the agglomerate-free colloidal dispersion of the nanoparticles in the resin. UV22 has a Shore D hardness of >80 and a tensile strength of >4,600 psi. It has a refractive index of 1.52 and shrinkage of 1-2%. Its electrical insulation properties are superior.UV22 is 100% reactive and contains no solvents or diluents. It is available for use in pint, quart, gallon and 5 gallon containers. It is also available in syringe applicators. Higher viscosity versions are also available.
For further information please visit our website at www.masterbond.com or contact: Sheila Frankel: Phone: +44-207-100-7251 Fax: +44-207-060-0628 E-mail: eutech@masterbond.com
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