How to temperature control PCR polyolefin shrink film
Temperature control of PCR polyolefin shrink film generally requires considering the following aspects:
During film processing:
During film processing, such as during shrink wrapping or printing, it is necessary to ensure that the temperature of the heating equipment is moderate. Generally speaking, the processing temperature of the film should be below the melting point of PCR polyolefin, but high enough to allow the film to adapt to the required shape or packaging. The specific processing temperature will vary depending on factors such as the thickness, composition, and shrink rate of the film.
During storage:
During storage, PCR polyolefin shrink film should be stored at an appropriate temperature to avoid deformation or damage to the film. Generally, it is recommended to store the shrink film at room temperature, away from direct sunlight and high temperature environments, to prevent the film from being damaged by temperature changes.
During transportation:
During transportation, it is necessary to ensure that PCR polyolefin shrink film is transported within a suitable temperature range to prevent the film from being affected by high or low temperature environments. In particular, for long-distance transportation or in hot seasons, it may be necessary to take additional measures, such as using insulated packaging or refrigerated vehicles, to keep the temperature of the film stable.
During use:
When using shrink film for packaging or printing, it is necessary to control the heating or processing temperature according to the specific application requirements and equipment characteristics. Ensure that the temperature of the heating equipment can make the film achieve the desired shrink effect, but not so high as to damage the performance of the film.
Temperature control of PCR polyolefin shrink film requires comprehensive consideration of various factors during processing, storage, transportation, and use.
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