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CEI EN 62788-1-6
2017
Measurement procedures for materials used in photovoltaic modules Part 1-6: Encapsulants – Test methods for determining the degree of cure in Ethylene-Vinyl Acetate
- Format:
- Language(s) :
- Published :
- English
- 09/01/2017
This part of IEC 62788 defines the terminology, test equipment, test environment, specimen preparation, test procedures, and test report for measuring the degree of cure of Ethylene-Vinyl Acetate (EVA) encapsulation sheet used in photovoltaic (PV) modules. The differential scanning calorimetry (both residual enthalpy and melt/freeze protocols) and gel content methods are included herein. This procedure can be used by material- or module-manufacturers to verify that the cross-linking additive is present and is active. The procedure can also be used to verify the module manufacturing (lamination) process for the purposes of quality- and process-control. The procedure can also be used to assess the uniformity of the EVA formulation within a roll as well as to compare variation of the EVA formulation from roll to roll. This procedure can be applied to uncured or recently cured EVA sheet as well as uncured or recently cured EVA from PV modules.
This test procedure can also be applied to cross-linking ethylenic co-polymers other than EVA. The temperatures identified for the calorimetry measurements in this procedure have been optimized for EVA. Therefore, if the test procedure is applied to other encapsulation materials, the range of the test temperatures can have to be adjusted based on the active temperature of the curing agent and/or the melt/freeze temperature of the base material.
| CEI EN 62788-1-6 | |
|---|---|
| STANDARD INFO: | |
| Standard Name | CEI EN 62788-1-6 |
| Scope | Measurement procedures for materials used in photovoltaic modules Part 1-6: Encapsulants - Test methods for determining the degree of cure in Ethylene-Vinyl Acetate |
| Publisher | CEI - Comitato Elettrotecnico Italiano |
| Languages | English |
| State | [ Active ] |
| Publication Year | 2017 |
| Most recent Version | MOST RECENT |
| Whether to be replaced | |
| Addendum | |
| FILE INFO: | |
| Edition | 17 |
| File Size | 1 file , 2.4 MB |
| Number of Pages | 34 |
| Published | 09/01/2017 |
| CEI EN 62788-1-6 | ||
|---|---|---|
| History | Publisher Year | |
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