Clear plastic boxes are made in a factory using a variety of different processes depending on the specific type of box being produced. Some common methods used to manufacture clear plastic boxes include injection molding, blow molding, and thermoforming.
Injection molding is a process where melted plastic is injected into a mold cavity under high pressure. Once the plastic cools and hardens, the mold is opened and the finished product is removed. Injection molding is commonly used to produce larger quantities of identical products, such as food containers or medical devices.
Blow molding is a similar process that involves inflating a hollow tube of plastic with air to create a container shape. This method is often used to make bottles, jugs, and other containers with a uniform wall thickness.
Thermoforming is a process where a sheet of plastic is heated until it becomes pliable, then formed over a mold using vacuum pressure. Thermoforming is typically used to produce packaging materials, such as blister packs or clamshell packaging.
In all cases, the production of clear plastic boxes requires specialized equipment and expertise. Quality control measures are also important to ensure that the final product meets the desired specifications and standards.