Material Analysis
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PESU Cost and Cost-Performance Positioning
Fenómeno del problema
【Problem Phenomenon】Budget for specialty transparent materials is limited, PEI/PEEK prices are too high
Análisis de la causa
PESU costs more than general engineering plastics such as PC/ABS but less than PEI and PEEK, belonging to mid-to-high-end specialty plastics; its melt viscosity is lower than PPSU, giving a friendlier processing window
Solución
Prioritize evaluating PESU for transparent high-temperature parts with limited budget; compare the performance-price ratio with PEI; do full cost accounting before mass production; after adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Conclusión clave
PESU is the cost-performance sweet spot of specialty transparency, cheaper than PEI and stronger than PC; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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