Material Analysis
3 Aufrufe
Long-term yellowing of photovoltaic backsheets
Problembeschreibung
The backsheet shows yellowing after long-term thermal aging
Ursachenanalyse
Solvent residue, oxidation of low molecular substances, and insufficient UV stabilizer
Lösung
Select high-purity PVDF and add UV-326 and HALS
Wichtigste Erkenntnis
Photovoltaic backsheets rely on high purity and stabilizers
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