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| New White Paper: Polymeric Systems Bring Clarity to Optical Applications |
Many optical assembly applications require optical clarity across a certain wavelength, while others need an opaque coating. Optical grade epoxies, silicones and UV curable coatings provide the versatility to adhere well to a wide variety of substrates and the critical performance properties to meet specific requirements. This white paper examines optical transmission, refractive indices, temperature and humidity testing, as well as the roles of these measurements in choosing an effective and reliable optical polymer system.
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| Polymer System Features Outstanding Non-Yellowing Properties |
EP21LSCL-1 is a two component, low viscosity epoxy system featuring superb optical clarity and non-yellowing properties. This versatile system can be used for high performance coating, bonding, sealing, encapsulation and casting. EP21LSCL-1 has an exceptionally long open time and features very low exotherm, making it ideal for use in deep cross sections. It is serviceable from -60°F to +250°F and retains outstanding electrical insulation characteristics.
For more information, request a technical data sheet on EP21LSCL-1 |
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| NASA Low Outgassing Epoxy for High Tech Applications |
Ideal for a wide variety of applications in the aerospace, electronic, vacuum, optical, fiber-optic and OEM industries, EP30HT-LO passes NASA low outgassing testing per ASTM E595 specifications. This two component system combines high temperature resistance up to 400°F with excellent optical clarity. EP30HT-LO cures rigid at room temperature with exceptional dimensional stability and superior physical strength properties. The shrinkage upon curing is very low—less than 0.1%.
For more information, request a technical data sheet on EP30HT-LO |
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| Adhesive, Sealant and Coating Offers High Transparency |
Optically clear silicone adhesive/sealant, MasterSil 415, is widely employed for its reliable performance for bonding, and sealing metal and most plastics where transparency is a critical factor. It has a paste viscosity that will not sag, slump or run off surfaces. It cures at ambient temperatures to a flexible rubbery solid when exposed to atmospheric moisture. Serviceability is from -185°F to +400°F.
For more information, request a technical data sheet on MasterSil 415 |
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| UV Curable System Has a Glass Transition Temperature >180°C |
UV25 offers impressive thermal stability over the broad service temperature range of -60°F to +500°F. This fast setting, one part, moderate viscosity UV curable system bonds well to glass, surface treated metals and plastics such as polycarbonates and acrylics, among others. This material is optically clear with a refractive index of 1.55 at room temperature.
For more information, request a technical data sheet on UV25 |
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| Resists Cryogenic Temperatures Down to 4K |
EP29LPSP is a two component, low viscosity epoxy system for bonding, sealing and coating. This epoxy not only functions at temperatures as low as 4K, but also withstands cryogenic shocks. Additionally, it meets NASA low outgassing requirements. EP29LPSP provides superior physical strength, high chemical resistance, excellent electrical insulation and outstanding optical clarity.
For more information, request a technical data sheet on EP29LPSP |
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Copyright  2016 by Master Bond Inc. All Rights Reserved. This content may not be reproduced in any way without the prior written permission of Master Bond Inc.
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March 2016
