This Standard cancels and replaces ECSS-Q-70-09A (29 August 2003).
This Standard describes the methodology, instruments, equipment and samples, used to calculate the thermo-optical properties of thermal-control materials.
The following test methods are detailed in this Standard including the configuration of samples and calculations:
Solar absorptance using spectrometer (as) – (see Annex C.2).
Comparative test method (ap) – (see Annex C.3).
Infrared emittance using thermal test method (eh) – (see Annex C.4).
Infrared emittance using IR spectrometer (eh) – (see Annex C.5).
Infrared emittance using portable equipment (en) – (see Annex C.6).
This standard may be tailored for the specific characteristics and constraints of a space project in conformance with ECSS-S-ST-00.
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