Material Analysis 7 visualizações

Long-term yellowing of photovoltaic backsheets

Fenómeno do problema

The backsheet shows yellowing after long-term thermal aging

Análise das causas

Solvent residue, oxidation of low molecular substances, and insufficient UV stabilizer

Solução

Select high-purity PVDF and add UV-326 and HALS

Conclusão principal

Photovoltaic backsheets rely on high purity and stabilizers

PVDFyellowing

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