EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN 13363-2 testing. This standard specifies a detailed method for determining the total solar energy transmittance and other relevant solar-optical data of the combination, based on spectral transmission data of materials consisting of sun protection devices and glass. If spectral data are not available, the methodology can be adapted to use integrated data.
The method applies to all sun protection devices parallel to the glass, such as blinds, venetian blinds or roller blinds. The louver can be placed internally, externally or closed between panes of glass. Ventilation of the blind is allowed in each of these positions in determining the solar energy absorbed by the glass or blind components for the vertical orientation of the glass.
Blind component materials can be transparent, translucent or opaque combined with glass components of known solar transmittance and reflectance and known emissivity for thermal radiation.
The method is based on a normal incidence of radiation and does not take into account an angular dependence of the transmittance or reflection of the materials. Radiation emitted by diffuse irradiation or sun protection devices is treated as if it were direct. Shutters or venetian blinds are treated as homogeneous materials with equivalent solar optical properties, which may depend on the angle of incidence radiation. For situations outside the scope of this document; ISO 15099 covers a wider range of situations.
EUROLAB assists manufacturers with EN 13363-2 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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