Plastic bag making machine for PVC plastic heating temperature range

The plastic bag making machine initially adjusts the machine speed, takes a flat sample bag, and conducts the initial inspection. If the specified requirements are not met, the sample bag that is flattened in one step is used for the heat sealing value test. The produced bags are sorted and the bags with quality defects (such as folding, tunnel, flower width, knife line, heat sealing, four seals, etc.) are selected and bundled as required.
When the plastic bag making machine heats the PVC plastic to this temperature range, the film will enter a molten state, thereby contributing to the formation of the bag. At this time, the upper and lower limits of the temperature range represent the decomposition temperature and the viscous temperature of the PVC, respectively, and the difference between the two is the key to determining the ease of heat sealing.
When the plastic bag making machine heats the PVC plastic to this temperature range, the film will enter a molten state, thereby contributing to the formation of the bag. At this time, the upper and lower limits of the temperature range represent the decomposition temperature and the viscous temperature of the PVC, respectively, and the difference between the two is the key to determining the ease of heat sealing.

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