Spectral Transmission of epoxy


In optics, transmittance is the fraction of incident light at a specified wavelength that passes through a sample. To make it simple, spectral transmittance tells us how well light passes through a sample. Spectral transmittance changes based on the wavelength of light. Most applications only need high transmittance for visible light (~380nm – 700nm) and generally decrease at higher wavelengths.

EB-106 exhibits over 99% transmission of visible light and still transmits over 95% at 2000nm. EB-106 is used in applications where light signals may be required to pass through the epoxy glue joint interface. EB-106 is a premixed and frozen epoxy only and is excellent for high volume use. EB-106 is also for potting and encapsulating small electronic components.

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

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