The most commonly used plastic material for medical plastic injection molding is soft vinyl chloride resin, and polypropylene (PP), polyamide (PA), polyethylene (PE), polycarbonate (PC), ABS resin, polystyrene (PS) etc. are used.

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In plastic injection molding for medical use, the plastic material used must be selected appropriately according to the usage environment and application. It is important to note that the use of inappropriate plastic raw materials will result in different shrinkage ratios and different colors in appearance, leading to poor quality and defects.