Material Drying
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TPU product haze and transparency loss
Problem Phenomenon
The haze of transparent TPU products increases and transparency decreases.
Cause Analysis
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
Solution
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
Key Takeaway
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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