The difference between cpp film and pp film

May 10, 2024

The difference between cpp film and pp film

The difference between CPP film and PP film is mainly reflected in their production process, characteristics and uses.

Production Process

CPP (Cast Polypropylene Film) is a polypropylene film produced through a cast extrusion process. This process makes the CPP film have a certain orientation in the longitudinal direction (MD), but no obvious orientation in other directions.

PP (polypropylene) film is a film made through extrusion and blow molding processes and has high heat resistance.

Characteristic

CPP film has excellent clarity and smoothness due to its rapid cooling on chilled casting Rollers. Compared with other types of films, CPP films have lower costs, higher yields, higher stiffness than PE films, and excellent moisture and odor barrier properties.

PP film is known for its high heat resistance, so it is suitable for making retort bags and other packaging that require disinfection and sterilization.

use:

CPP film is often used for food packaging, especially the packaging of high-end clothing and fine food, because it has good transparency. In addition, CPP films can also be divided into general CPP, aluminized CPP and cooking grade CPP according to different uses.

Due to its heat resistance, PP film is also often used to make packaging products that require high temperature resistance.

To sum up, although CPP film and PP film are similar in production process, they are different in characteristics and uses. CPP film is widely used in the field of food packaging due to its excellent transparency and barrier properties, while PP film has a place in packaging products that require disinfection and sterilization due to its high heat resistance.

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Huatao Group was founded in 2008. We are a professional and leading supplier of various rollers, motors, gearboxes, and rotary joints to the plastic & rubber, metallurgy, paper, corrugated board, printing & dyeing, and textile industries over 15 years of experience. With a strong commitment to innovation, reliability, and customer satisfaction, Huatao Group has become a trusted provider in the industry and our products have been exported to more than 96 countries and have a good reputation.. Products: Gearboxes: HUATAO offers a diverse range of gearboxes designed for various applications across industries. These gearboxes are known for their efficiency, durability, and precise power transmission. They are available in different types, including helical, bevel, worm, and planetary gearboxes, catering to the specific needs of customers. Motors: Huatao provides a comprehensive selection of motors suitable for a wide range of applications. Their motor offerings include electric motors, servo motors, and specialized motors for specific industries. These motors are known for their high performance, energy efficiency, and reliable operation. Ours motors are designed to meet the...

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