Lab test service of emissivity / emittance
We are a Singapore-based third-party test laboratory, providing lab test services of material emissivity / emittance. Our lab is SAC-SINGLAS (ISO 17025) accredited and our customers are from around 30 countries.
Material thermal emissivity/emittance is an important material surface properties determining surface radiative heat transfer rate.
Materials with low emissivity/emittance can effectively reduce its radiative heat exchange with the ambient environment.
Glasses with low-emissivity (low-e) coating can effectively reduce glass U-value. Insulation materials with a thin layer of low-e layer can effectively reduce wall U-value too.
Emissivity vs. emittance
Emissivity and emittance are the same and can be used interchangeably.
Emissivity is more commonly used, whereas emittance is more technically correct and in better consistency with similar technical terms, such as transmittance and reflectance.
In test standards, emittance is the preferred standard terminology.
Emissivity / emittance test is a routinely conducted test at OTM. They are part of our standard SRI testing and glass testing service. It is possible to test emissivity / emittance alone. Refer to the information below for more details.
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