It is well known that plastic bottle packaging objects can be divided into solid, liquid, and powder categories. The difference in the packaging characteristics of solid and liquid plastic bottles is believed to be unknown to many people. Today, the small series of Jiuzhi Plastics Network conducts targeted analysis from various parts:
First of all, the mouth of a plastic bottle, the diameter of a solid plastic bottle is larger than that of a liquid plastic bottle, because the sealing property of the solid product is relatively low, but the diameter of the solid product tends to be large, which makes the solid plastic bottle convenient for the filling line of the product. It is necessary to improve the bottle mouth. We can see that the wide-mouth plastic bottles on the market are mainly used to package solid products. Conversely, liquid plastic bottles require higher sealing performance, and for the convenience of drinking and filling, small-mouth plastic bottles will be used more in the liquid market.
Secondly, regarding the wall thickness and transparency of plastic bottles, solid plastic bottles do not require high transparency and wall thickness for plastic bottles. However, liquid plastic bottles have high requirements on wall thickness. Liquid products have a certain pressure, and plastic bottles are required to withstand pressure. This requires liquid plastic bottles to reach a certain wall thickness to withstand the pressure of the product. Liquid products also have requirements for the transparency of plastic bottles. Some liquid products are sensitive to light and must be noticed in design.
The difference between liquid and solid plastic bottles is basically concentrated on the details of the products, and it is hoped that plastic bottle manufacturers can pay attention to this.
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