Material Analysis
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Poor PEI Colorability
Fenómeno del problema
PEI products are difficult to color in light and vivid colors; the transparent amber base color affects color performance, making customer color requirements difficult to meet.
Análisis de la causa
PEI's transparent amber appearance limits colorability, especially light colors; the base color affects the vividness of vivid colors; the compatibility of colorants with high-temperature processes is a challenge.
Solución
①Color design considers the influence of the amber base color; ②coloring dark parts is highly feasible; ③evaluate covering solutions for light color needs; ④confirm colored grades with the supplier.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
PEI coloring limitations are determined by the material's natural color; the dark color route is a pragmatic choice; color expectation management is communicated in advance.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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