Blow Molding
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COC Comparison with PC
Problem Phenomenon
Compared with PC, COC has excellent heat resistance, low impurities and high hygiene.
Cause Analysis
COC's heat resistance is better than PC; PC's high residual impurity content affects applications in high-hygiene and high-precision fields; COC has high transparency, low birefringence, low water absorption, high rigidity and high heat resistance; its water vapor tightness is good; it is applied in pharmaceutical packaging and medical fields.
Solution
①Heat resistance advantage utilization; ②low impurities and high hygiene; ③pharmaceutical and medical applications; ④performance verification; ⑤replacement decision.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
The heat resistance and hygiene in the comparison of COC with PC are the core values; pharmaceuticals and medical are high-end applications; verification ensures replacement success.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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