Knowledge

Phenomenon: The film is torn or poorly formed after stretching Reason: (1) The heating plate is not heating enough. (2) When the heating temperature is not matched and excessively

Phenomenon: The lower film falls off the chain and cannot move synchronously with the chain, causing abnormal stretching and packaging of the product. Reason: (1) The width of the

Roll film has two main meanings. The first is a specialized term used in the packaging industry to refer to packaging films supplied in rolls, which is also the most commonly used

Specialized vocabulary There is no clear and strict definition of rolled film in the packaging industry, it is just a commonly used term in the industry. Simply put, it is a packag

Advantage: Good mechanical properties, tensile strength is the highest among all plastic films. It has good stiffness, cold resistance, and heat resistance, and is suitable for tem

Low density polyethylene film generally adopts the following two methods: Blow molding Flow casting The thickness of the cast polyethylene film is uniform, but it is rarely used du

The inner film commonly used in composite flexible packaging materials is also the most widely used and largest amount of plastic packaging film, accounting for more than 40% of th

PE film, also known as polyethylene film, refers to a film produced using PE particles. PE film has moisture resistance and low moisture permeability. Polyethylene film (PE) can pr