Molding Process
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Stress whitening appearing on the surface of PVDF products
Fenómeno del problema
White areas appear locally after the product is stressed or cut
Análisis de la causa
Internal stress release causes local yielding of the polymer, producing micropore scattering
Solución
Annealing treatment to eliminate stress, optimize the process to reduce internal stress
Conclusión clave
Stress whitening is a visualized sign of excessive internal stress
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