Nanosilica Filled Optically Clear Epoxy Adhesive

Master Bond EP30NS is a two component epoxy system with moderate viscosity and good flow. It contains a nanosilica filler which lends to its specific property profile by providing a much higher abrasion resistance than a typical epoxy, and much lower linear shrinkage upon cure. EP30NS passes ASTM E595 for NASA low outgassing.

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To obtain optical properties, cure overnight at room temperature, followed by 2-3 hours at 150-200°F. The epoxy has a moderate mixed viscosity ranging from 25,000 to 45,000 cps. It is optically clear, with a refractive index of 1.56. EP30NS has been independently tested per ASTM D4060-14 for abrasion resistance for 1,000 cycles and exhibited a loss of weight of only 18.3 mg. It is thus able to withstand exposure to scuffing, gouging, scraping, scratching and wear.

This system has excellent electrical insulation, making it well suited for small potting applications. It forms dimensionally stable, rigid bonds. It bonds well to metals, glass, ceramics, composites, rubbers, and plastics. It is chemically resistant to water, fuels, oils, acids and solvents.  The service temperature range is from -60°F to +300°F. This system is recommended for high tech applications in the aerospace, electronic, optical, opto-electronic and specialty OEM industries. It is available in both standard packaging and specialty gun dispenser packaging.

For more information on EP30NS and to request a technical datasheet please visit https://www.masterbond.com/tds/ep30ns.

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