Material Analysis
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COC Chemical Resistance
Problem Phenomenon
COC is resistant to water, alkali, salt and polar solvents, does not swell, and has stable optical and mechanical properties.
Cause Analysis
COC has the advantages of polyolefin materials such as excellent water resistance, alkali resistance, salt resistance and polar solvent resistance; it will not swell and cause changes in optical and mechanical properties; it is resistant to chemical corrosion; it is widely used.
Solution
①Chemical-resistant application development; ②non-swelling verification; ③optical and mechanical stability; ④environmental assessment; ⑤long-term performance.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
COC chemical resistance is the basis of optical and medical applications; non-swelling ensures performance; verification ensures long-term stability.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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