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Food plastic bottles must have the function of maintain […]
Food plastic bottles must have the function of maintaining the contents. Plastic bottles can be moisture-proof, waterproof, dust-proof, anti-corrosion, and have an isolation effect on external dust, water and other liquid substances; avoid pollution and corrosion of packaging; avoid Ultraviolet light penetrates, accustomed to environmental temperature changes, and protects the packaging from the harm of sunlight and ultraviolet rays. The plastic bottle must have the function of accepting the effect of external force. It can be used to a variety of transportation methods and warehouse storage methods to protect the contents from damage.
Food plastic bottles should have satisfactory rigidity and beautiful appearance. The common shapes of plastic bottles are round, square, oval, etc. From the point of view of application, each has its own advantages and disadvantages. The round plastic bottle has higher rigidity, but the appearance is not beautiful. The square plastic bottle has a beautiful appearance, but it is not easy to control the wall thickness of the plastic bottle to be uniform during forming. Oval plastic bottles have higher rigidity, but the manufacturing cost of the mold is higher. Therefore, in order to ensure the rigidity of the plastic bottle, in addition to selecting materials with high rigidity, the shape of the plastic bottle must be planned to enhance the rigidity and resistance of the plastic bottle. Load intensity.
Food plastic bottles make the product display function. Plastic bottles can show the display function of the product through beautiful appearance, gorgeous color, bright appearance and transparency, attract customers, and arouse customers' desire to buy. Plastic bottles should have the function of being convenient to use. The bottle mouth planning of plastic bottles should be open and convenient, and it can be opened and closed repeatedly. It should be convenient to dump the contents and prevent sputtering.