IEC 62788-6-2-2020 pdf free

07-06-2021 comment

IEC 62788-6-2-2020 pdf free.Measurement procedures for materials used in photovoltaic modules – Part 6-2: General tests – Moisture permeation testing of polymeric materials.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC TS 61836, Solar photovoltaic energy systems — Terms, definitions and symbols
ISO 2528, Sheet materials — Determination of water vapour transmission rate (WVTR) — Gravimetric (dish) method
ISO 9932, Paper and board — Determination of water vapour transmission rate of sheet materials — Dynamic sweep and static gas methods
ISO 15106-1, Plastics — Film and sheeting — Determination of water vapour transmission Rate
— Part 1: Humidity detection sensor method
ISO 15106-2, Plastics — Film and sheeting — Determination of water vapour transmission Rate
— Part 2: Infrared detection sensor method
ISO 15106-3, Plastics — Film and sheeting — Determination of water vapour transmission Rate
— Part 3: Electrolytic detection sensor method
ISO 15106-4, Plastics — Film and sheeting — Determination of water vapour transmission Rate
— Part 4: Gas-chromatographic detection sensor method
ASTM F 1249-06, Standard test method for water vapour transmission rate through plastic film and sheeting using a modulated infrared sensor
3 Terms, definitions and symbols
For the purposes of this document, the terms and definitions the terms and definitions given in IEC TS 61836 and the following apply.
ISO and IEC maintain terminological databases for use In standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org!
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1 Terms and definitions
3.1.1 edge seal
polymeric material designed to be lCd between two impermeable (or with extremely low permeability) frontsheet and backsheet materials to restrict moisture ingress from the sides
3.1.2 Fickian
material for which the diffusivity is constant, independent of concentration of the permeant within the experimental uncertainty
3.1.3 permeability
state or quality of a material or membrane that causes it to allow liquids or gases to pass through it
3.1.4 diffusivity
measure of the capability of a substance to be diffused or to allow something to pass by diffusion.IEC 62788-6-2 pdf free download.

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