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