Processing Machinery
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PPO Pollution Resistance Application Failure
Problem Phenomenon
PPO outdoor electrical parts are advertised as pollution resistant, but in actual use surface pollution adhesion is severe, and cleaning and maintenance frequency exceeds expectations.
Cause Analysis
PPO pollution resistance is a material surface characteristic, but there are many types of environmental pollutants; surface roughness affects pollution adhesion; static electricity attracts dust; specific pollutants interact with the material.
Solution
①Improve product surface finish; ②anti-static treatment to reduce adsorption; ③evaluate according to the actual pollution environment; ④surface treatment coating to enhance pollution resistance.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
PPO's pollution resistance advantage must be verified in the specific environment; surface condition management amplifies or weakens material characteristics; maintenance plans are based on reality rather than advertising.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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