BOPP capacitor film can accumulate static during unwinding, slitting and winding, increasing dust pickup and making an ultra-thin web harder to control. Static must be studied as part of the process, not only as a housekeeping issue.
An engineering plastic film manufacturer needs the film gauge, roll width, line speed, humidity and defect location. Dafu's capacitor film range includes ultra-thin grades, while the customer's equipment determines charge generation and removal.
Record readings before and after nip points, slitting and rewind. Relate the values to roll diameter and line speed. A single measurement at the finished roll may miss the source.
Map particles, edge wandering and wrinkles by lane. Check rollers, ionizing equipment, grounding and cleaning intervals without changing several variables at once.
Compare metallization cleanliness, winding behavior and element performance under the customer's method. Send Dafu the web path, settings, environment and affected samples.
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