IEC 62788-1-5:2016

IEC 62788-1-5:2016 defines a measurement procedure for materials used in photovoltaic modules, focusing on encapsulants and the change in linear dimensions of sheet encapsulation material under applied thermal conditions. For engineers, laboratories, and procurement teams, this technical document supports consistent evaluation of material behavior during thermal exposure, which can be important for product qualification, documented evaluation, and risk management. It is a practical reference for comparing encapsulant performance in photovoltaic module development and conformity assessment workflows.

Purpose of IEC 62788-1-5:2016

The purpose of IEC 62788-1-5:2016 is to provide a defined method for measuring dimensional change in sheet encapsulation material when thermal conditions are applied. In photovoltaic module engineering, that type of measurement helps create a repeatable basis for technical review, laboratory evaluation, and quality workflows. By focusing on encapsulants, the document supports assessment of material stability in relation to module construction and longer-term operational consistency, especially where dimensional behavior may affect downstream assembly or verification activities.

Compliance applications of IEC 62788-1-5:2016

IEC 62788-1-5:2016 is relevant wherever photovoltaic encapsulant materials are being evaluated for specification control, supplier comparison, or conformity assessment preparation. It may be used in testing workflows that examine thermal response as part of engineering documentation, product evaluation, or technical validation. For organizations working with module materials, the reference can support procurement review, incoming material checks, and laboratory methods that need a consistent approach to dimensional measurement under controlled thermal conditions.

Benefits of IEC 62788-1-5:2016

Using IEC 62788-1-5:2016 can improve testing consistency and reduce ambiguity when assessing encapsulant behavior under heat. That supports safer design decisions, more reliable technical assessment, and clearer comparison between material options during procurement or qualification. The document also helps align internal verification activities with a recognized measurement approach, which can strengthen compliance workflows and reduce the risk of inconsistent results across laboratories, suppliers, or project phases.

• Measurement procedure for sheet encapsulation materials used in photovoltaic modules
• Focus on dimensional change under applied thermal conditions
• Useful for laboratory evaluation, supplier review, and material qualification workflows
• Supports repeatable testing and documented technical assessment
• Relevant to photovoltaic module compliance and conformity preparation