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Key to the success of dried PET is:Watch closely, well maintained, to comply with the dryer manufacturer and resin supplier's recommendations.PET preform moldingPreform molding process, the best conditions for the lowest possible temperature, the shortest possible time, quickly and evenly and completely melted, the maximum IV less keep down as little as possible to produce AA, as transparent as possible. Associated conditions are:emperature Refers barrel molding temperature, the temperature of the hot runner. Molding process, only 30% of the heat from the external heating, 70% is from the internal friction heat, so in addition to the appropriate heating, but also with good shear heat.
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