NuSil Technology LLCNuSil Technology Inc. has released its Lightspan line of index-matching materials designed to be resistant to fuels, solvents and harsh environments. The line includes fluids, gels, coatings, thermosets and encapsulation materials. The electro-optic systems that are used in automotive, aircraft and plant automation applications are exposed to chemicals and fuels, requiring the use of materials that resist swelling and degradation. 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