
There are 13 common faults when blown film: film too viscous, poor opening;Poor film transparency;Film with wrinkle.The film has water mist pattern;Film thickness uneven;Thickness of the film is too thick;Film thickness too thin;Poor thermal sealing of the film;Film longitudinal tensile strength difference;Film transverse tensile strength difference;Film bubble instability;Rough and uneven film surface;Film has peculiar smell etc.
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