Material Drying
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TPU product haze and transparency loss
Fenómeno del problema
The haze of transparent TPU products increases and transparency decreases.
Análisis de la causa
Material degradation, mismatched additives, or unstable cooling all cause haze; residual moisture also makes transparent TPU hazy; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
①control processing temperature to prevent degradation; ②evaluate additive compatibility; ③stabilize the cooling process; ④ensure sufficient drying; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
The haze of transparent TPU is sensitive to process fluctuations; temperature and moisture management guarantee transparency; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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