EB-106 High-Transmission Optical Epoxy for Electronics and Photonics
Spectral Transmission of epoxy
EB-106
In optics, transmittance refers to the fraction of incident light at a given wavelength that passes through a material. Put simply, spectral transmittance measures how effectively light passes through a sample, and it varies by wavelength. For most applications, high transmission is only required in the visible light range (≈380–700 nm), with lower transmission typically seen at higher wavelengths.
EB-106 epoxy delivers exceptional optical clarity, providing over 99% transmission of visible light and maintaining more than 95% transmission at 2000 nm. It is ideal for applications where light signals must pass through the epoxy bond line or glue joint interface.
EB-106 is supplied as a premixed and frozen epoxy, making it well-suited for high-volume production environments. It is also recommended for potting and encapsulating small electronic components that require both durability and optical performance.
Product Specifications
| No.of Components | 1 |
| Mix Ratio by Weight | NA |
| Mixed Viscosity @RT(cps) | 300-500 |
| Pot Life @25°C(100 gram) | 60 min |
| Recommended Cure | 3 hrs @ 65°C |
| Alternate Cure | 24-48 hrs @ 25°C |
| Color | Clear |
| Specific Gravity | 1.16 |
| Hardness(Shore) | D-85 |
| Refractive Index | 1.52 |
| Lap Shear Strength @25°C(psi) | 2700 |
| Tg(°C) | 65 |
| CTE(Below Tg)10-6/°C | 59 |
| Service Temp.Range | -55°C to 125°C |
| Thermal Conductivity(W/m°K) | NA |
| Volume Resistivity(500 V) | >10^14 |
Recommended Applications
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Semiconductor die attach for microelectronics and IC packaging
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Microwave devices and high-frequency electronic components
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LCD interconnects and display assembly
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Substrate attach for circuit boards and advanced packaging
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Low-stress bonding for delicate or heat-sensitive parts
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Photonic devices such as sensors, lasers, and optical components
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