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PET Film: Production Process, Features, and Application Scenarios Guide 2026

Apr 15, 2026

PET Film: Production Process, Features, and Application Scenarios Guide 2026

In the field of modern interior decoration and industrial materials, PET film (including PETG modified film) has become a popular choice for businesses and homeowners due to its excellent performance, environmental protection, and diverse applications. As a high-performance polyester film, it is widely used in furniture decoration, commercial spaces, and public areas, winning recognition for its durability and aesthetic value. This article will comprehensively introduce the product overview, production process, core features, and application scenarios of PET film, helping you fully understand its value and choose the most suitable PET film for furniture decoration or PETG film for interior design for your needs.

What is PET Film? Product Overview

PET film, short for Polyethylene Terephthalate film, is a thin film made of polyethylene terephthalate through professional extrusion and processing techniques. It is a thermoplastic polyester material formed by the polycondensation reaction of terephthalic acid and ethylene glycol, with a dense structure and excellent comprehensive performance. PETG film, as a modified version of PET, is an amorphous transparent copolyester, which is more tough, impact-resistant, and weather-resistant than ordinary PET, and is widely used in high-end decoration scenarios.

The thickness of ordinary PET film ranges from 0.15mm to 1mm, and the width can be customized according to actual needs; PETG film and sheets have a wider thickness range, from 0.14mm to 1.0mm for film and 1.5mm to 3mm for sheets, with a regular width of 1250mm and support for customization. Both PET and PETG films are environmentally friendly, non-toxic, and odorless, complying with international environmental standards such as RoHS and SGS, and can be directly used in enclosed indoor spaces such as bedrooms and children's rooms. Many customers prefer custom PET film to match their specific decoration sizes and styles.

PET Film Production Process: From Raw Materials to Finished Products

The production of PET film requires strict process control to ensure product quality and performance consistency. The whole process is divided into multiple links, and each step has strict standards. Below is a detailed introduction to the production processes of ordinary PET film and PETG film/sheets.

1. Production Process of Ordinary PET Film

The production of ordinary PET film mainly includes five core links: raw material pretreatment, extrusion molding, surface treatment, cooling and shaping, and slitting and winding. First, the PET raw materials are dried and impurity-removed to remove moisture and impurities, ensuring the molding quality and avoiding defects such as bubbles in the film. Then, the pretreated PET raw materials are heated and melted, and extruded into film through the die of the extruder, with the thickness accurately controlled by professional equipment.

After extrusion, the film undergoes surface treatment, including coating and calendering processes, to create high-gloss or super-matte surfaces, while improving scratch resistance and waterproof performance. Next, the film is quickly cooled by cooling rollers to ensure dimensional stability and avoid deformation. Finally, it is slit according to the customized width, accurately cut and wound, and then inspected and packaged for storage.

2. Production Process of PETG Film/Sheets

The production process of PETG film/sheets is more complex than that of ordinary PET film, especially for GAG three-layer co-extruded products. First, PETG raw materials and modified additives are mixed in proportion to ensure toughness and impact resistance. Then, GAG products adopt three-layer co-extrusion equipment to extrude surface PETG and core layer modified materials synchronously, while ordinary PETG films are directly extruded, and sheets need to be extruded with increased thickness.

After extrusion, surface modification is carried out, including frosting/etching and embossing processes, to improve texture, moisture resistance, and anti-fingerprint performance. For film products, they are cooled, shaped, slit and wound; for sheet products, they are cooled, shaped, and accurately cut to ensure dimensional accuracy. Each batch of products will undergo strict inspection of surface flatness and thickness error, and only qualified products will be coated and packaged for storage.

Core Features of PET Film: Why It Becomes the First Choice for Decoration

PET film (including PETG) has won wide application due to its comprehensive and excellent performance. Its core features are closely combined with application scenarios, solving the pain points of traditional decoration materials such as poor durability and environmental pollution. The specific features are as follows:

1. Environmental Protection and Safety

Both PET and PETG films are environmentally friendly and non-toxic, without harmful volatile substances (VOC ≤ 1g/L for PET film, VOC ≤ 0.5g/L for PETG film), and no formaldehyde or heavy metals (lead, cadmium, etc. ≤ 0.1ppm). They comply with RoHS, SGS, ISO9001:2015, and GRS4.0 certifications (for some PETG products), can be recycled and degraded, and will not cause environmental pollution during production and waste disposal, making them suitable for sensitive scenarios such as children's rooms and hospitals.

2. Excellent Durability

Ordinary PET film has a surface hardness of ≥ 2H (pencil hardness), no obvious scratches after 500 times of friction under 500g load, and has good water resistance (water absorption ≤ 0.1%) and dimensional stability. PETG film/sheets are more excellent, with a surface hardness of ≥ 3H (up to 4H for some high-end products), no scratches after 1000 times of friction under 500g load, and excellent impact resistance (impact strength ≥ 25kJ/m² for film, ≥ 50kJ/m² for sheets), not easy to break or deform. This makes anti-scratch PET film a top choice for high-traffic areas.

3. Diverse Appearance and Strong Customization

PET film has two surface treatments: super-matte and high-gloss; PETG film/sheets have more diverse surface effects, including super-matte, frosting/etching, embossing, transparent, and opaque, which can meet different decorative styles such as modern simplicity and light luxury. At the same time, both can be customized in color and texture, and the thickness and width can also be adjusted according to actual needs, with strong adaptability.

4. Easy to Maintain and Clean

The surface of PET film is smooth and non-sticky, and can be cleaned with neutral detergent, which is easy to take care of. It is not easy to absorb dust and stains, and can maintain a new appearance for a long time. The PETG film/sheets with anti-fingerprint function can reduce fingerprint residues and further improve the convenience of maintenance.

Application Scenarios of PET Film: Covering Multiple Fields

With its excellent performance, PET film (including PETG) is widely used in interior decoration, commercial spaces, public areas, and other fields, and its application scenarios are constantly expanding with the optimization of production technology. The specific application scenarios are divided into the following categories:

1. Home Interior Decoration

In home decoration, PET film is mainly used for furniture decoration and wall decoration. Ordinary PET film is suitable for cladding the surfaces of wardrobes, cabinet panels, desks, TV cabinets, entrance decorative panels, and balcony storage cabinets, replacing traditional paint, which is beautiful and durable. PETG film/sheets are more suitable for high-end home decoration, such as high-end custom wardrobes, light luxury cabinets, living room background walls, bedroom headboards, and bathroom doors, especially in humid environments such as bathrooms and kitchens, which can play a good moisture-proof role. For those pursuing environmental protection,eco-friendly PET film for home is an ideal option.

2. Commercial Space Decoration

In commercial spaces such as hotels, office buildings, and shopping malls, PET film is widely used due to its wear resistance and easy maintenance. It can be used for hotel front desks, guest room wardrobe doors, corridor wall panels, office partitions, office desk surfaces, and mall display cabinets. High-end PETG film/sheets can be customized with brand-specific colors and textures to enhance the brand image and create a high-end and comfortable commercial environment.

3. Public Space Decoration

In public spaces such as hospitals, schools, and exhibition halls, PET film is favored for its environmental protection, wear resistance, and easy disinfection. It can be used for hospital corridor wall panels, ward furniture, school classroom wall panels, and exhibition hall display surfaces. The antibacterial PETG film (antibacterial rate ≥ 99% against Escherichia coli and Staphylococcus aureus) is especially suitable for public spaces with high hygiene requirements.

4. Special Function Scenarios

Some PETG films with special functions have more targeted application scenarios: explosion-proof PETG film is suitable for kitchen glass partitions and high-risk area decoration; heat-insulating and UV-resistant PETG film is suitable for decorative surfaces near windows and outdoor connection areas, which can effectively block UV rays and reduce indoor temperature; anti-fingerprint PETG film is suitable for high-frequency touch areas such as cabinet doors and countertops.

Conclusion

As a high-performance, environmentally friendly, and diverse decorative material, PET film (including PETG) has become an indispensable part of modern decoration. Its mature production process ensures product quality, its excellent core features solve the pain points of traditional materials, and its wide application scenarios cover home, commercial, and public spaces. Whether you are a homeowner, a decoration company, or a commercial project operator, choosing the right PET film product can not only improve the decoration quality and durability but also reduce later maintenance costs.

If you want to know more about the customization specifications, production cycle, and price of PET film, you can contact us for detailed consultation. We will provide you with professional solutions according to your actual needs, helping you give full play to the value of PET film in decoration projects.

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