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PVC is the English abbreviation of polyvinyl chloride. It is a kind of polymer material and one of the largest general-purpose plastics in the world. It is widely used. It is widely used in building materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers, etc.

Classification and application of plastic film

Plastic film is a film made of PVC, polyethylene, polypropylene, polystyrene and other resins. It is mainly used for packaging and as a film covering layer. Nowadays, it is widely used in food packaging, medicine, chemical industry and other fields. So what are the common classifications of plastic films? What are their uses? Then look down:

Nylon film (PA)

Features: good transparency, good heat resistance, cold resistance, oil resistance and organic solvent resistance, excellent wear resistance and puncture resistance, relatively soft, excellent oxygen resistance, good gloss, high tensile strength and tensile strength;

Usage: suitable for packaging hard goods, such as greasy food, fried food, vacuum packaged food, meat products, cooked food, etc.

Polyester film (PET)

Features: excellent physical and chemical properties, dimensional stability, transparency and recyclability;

Application: it can be widely used in electronics, electrical insulation, magnetic recording, industrial film, photosensitive materials, packaging and decoration and other fields.

metalized film

Features: shading and UV protection, which can extend the shelf life of the contents;

Usage: mainly used in dry and puffed food packaging such as biscuits, as well as the outer packaging of some medicines and cosmetics.

PVA coated high barrier film

Features: excellent oxygen barrier performance, fragrance retention performance, excellent environmental protection materials, high cost performance;

Usage: it can be used for packaging beverages, fruit juice, milk, soy sauce, vinegar, etc.

Cast polypropylene film (CPP)

Features: excellent transparency, uniform thickness, and uniform vertical and horizontal performance;

Usage: it is generally used as the inner material of composite film, such as gift bags.

Low density polyethylene film (LDPE)

Features: it has good chemical stability, heat sealing, water resistance and moisture resistance, freezing resistance, and can be boiled;

Application: it is often used as the inner film of composite flexible packaging materials.

Biaxially oriented polypropylene film (BOPP)

Features: good physical stability, mechanical strength, air tightness, high transparency and gloss, tough and wear-resistant;

Usage: suitable for holding dry food.

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