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A Guide to the Types and Applications of Release Film Substrates

Views: 91     Author: Site Editor     Publish Time: 2023-04-05      Origin: Site

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When it comes to the manufacturing of adhesive tapes, labels, and decals, release film substrates play a critical role in ensuring that these products can be easily peeled away from their backing material without damaging the adhesive. Release films are thin, flexible materials that are applied to the adhesive side of a product to protect it during storage and transport. In this article, we will take a closer look at the different types of release film substrates available in the market and their various applications.

PE Release Film

Table of Contents

1. Introduction

2. What are Release Film Substrates?

3. Types of Release Film Substrates

       • Polyethylene (PE) Film

      • Polyethylene Terephthalate (PET) Film

      • Polypropylene (PP) Film

      • Polyvinyl Chloride (PVC) Film

      • Paper-Based Film

4. Applications of Release Film Substrates

      • Industrial Tapes and Adhesives

      • Automotive Industry

      • Electronic Industry

      • Medical Industry

      • Food Packaging Industry

      • Aerospace Industry

5. Advantages of Release Film Substrates

6. Conclusion

7. FAQs

1. Introduction

The release film substrates market is expected to grow significantly in the coming years due to increasing demand from various industries such as automotive, electronics, and medical. Manufacturers are constantly innovating and improving the quality of release film substrates to meet the needs of the industry.

In this article, we will explore the different types of release film substrates available in the market, their properties, and their applications in various industries.

2. What are Release Film Substrates?

A release film substrate is a thin, flexible material that is applied to the adhesive side of a product to protect it during storage and transport. It is designed to release cleanly and easily from the adhesive, allowing the product to be peeled away from its backing material without damage.

Release film substrates can be made from a variety of materials, including polyethylene terephthalate (PET), polypropylene (PP), polyvinyl chloride (PVC), polyethylene (PE), and paper-based films.

3. Types of Release Film Substrates


Polyethylene (PE) Film

PE film is a popular choice for release film substrates due to its low cost and excellent chemical resistance. PE (polyethylene) release film substrates are commonly used in the production of industrial tapes and adhesives due to their excellent release properties and conformability.


When producing industrial tapes and adhesives, PE release film is essential to have a release liner that can easily separate from the adhesive without leaving any residue or damaging the adhesive. This is where PE release film substrates come in. They have excellent release properties, which make them a popular choice for use as a release liner in industrial tapes and adhesives. PE release film substrates are also flexible and conformable, which makes them easy to apply to different surfaces. This is important when producing industrial tapes and adhesives as the release liner needs to be able to conform to the shape of the adhesive.In addition, PE release film substrates have good chemical resistance, which makes them suitable for use in industrial applications where they may come into contact with harsh chemicals.


Overall, PE release film substrates offer a cost-effective and reliable solution for use as a release liner in the production of industrial tapes and adhesives. Their excellent release properties, conformability, and chemical resistance make them a popular choice in the industry.


PE release film substrates are a type of release film that offers several advantages and applications:

Cost-effective: PE release film substrates are an affordable option compared to other types of release film substrates.

High tensile strength: PE release film substrates have a high tensile strength, which makes them suitable for use in applications where there is a high amount of stress or strain on the material.

Good conformability: PE release film substrates are flexible and conformable, which makes them easy to apply to different surfaces.

Good chemical resistance: PE release film substrates have good resistance to chemicals, which makes them suitable for use in applications where they may come into contact with harsh chemicals.

Good release properties: PE release film substrates have excellent release properties, which means that they can easily separate from the adhesive without leaving any residue.

PE Release Film

Kaide New Material is a leading supplier of release film substrates made from polyethylene (PE) material. Their high-quality PE release films are widely used in various industries such as adhesive, aerospace, automotive, composites, and electronics.


Kaide New Material has a state-of-the-art manufacturing facility that allows them to produce customized solutions to meet specific customer requirements. Kaide New Material's PE release films are known for their excellent release properties, durability, and flexibility, making them an ideal choice for a wide range of applications.


With a focus on innovation and quality, Kaide New Material has established itself as a trusted partner for businesses seeking reliable and high-performance release film substrates.Click here to know more about the PE film products of Kaide New Materials.


Polyethylene Terephthalate (PET) Film

PET film is a popular choice for release film substrates due to its high strength, durability, and resistance to moisture and chemicals. It is commonly used in the production of labels and decals for industrial and commercial applications.

Polypropylene (PP) Film

PP film is a cost-effective option for release film substrates. It has excellent clarity, low moisture absorption, and good chemical resistance. PP film is commonly used in the production of pressure-sensitive tapes and labels.

Polyvinyl Chloride (PVC) Film

PVC film is a versatile material that offers good printability, flexibility, and durability. It is commonly used in the production of self-adhesive vinyl films for the signage and graphics industry.

Paper-Based Film

Paper-based films are environmentally friendly and offer good printability and ink adhesion. They are commonly used in the production of labels and tapes for the food packaging industry.

4. Applications of Release Film Substrates

Industrial Tapes and Adhesives

Release film substrates are widely used in the production of industrial tapes and adhesives. They protect the adhesive during storage and transport and ensure that the product can be easily removed from the backing material without damaging the adhesive. Industrial tapes and adhesives are used in a variety of applications such as bonding, sealing, and masking in the automotive, construction, and manufacturing industries.

Automotive Industry

Release film substrates are commonly used in the automotive industry for applications such as bonding, masking, and surface protection. They are used in the production of automotive decals, emblems, and exterior trim components.

Electronic Industry

The electronic industry uses release film substrates for the production of adhesive tapes and labels used in electronic devices such as smartphones, laptops, and televisions. Release film substrates protect the adhesive during the manufacturing process and ensure that the label or tape can be easily applied to the device.

Medical Industry

The medical industry uses release film substrates for the production of medical tapes, dressings, and other devices. Release film substrates ensure that the adhesive on these products remains sterile and safe for use on the skin.

Food Packaging Industry

Release film substrates are commonly used in the food packaging industry to protect the adhesive on labels and tapes used on food packaging. They ensure that the adhesive does not contaminate the food and that the labels can be easily removed without damaging the packaging.

Aerospace Industry

The aerospace industry uses release film substrates for the production of adhesive tapes and labels used in aircraft interiors and exteriors. Release film substrates ensure that the adhesive remains protected during the manufacturing process and that the labels and tapes can be easily applied to the aircraft.

5. Advantages of Release Film Substrates

Release film substrates offer several advantages over other types of protective materials such as waxed paper or silicone-coated paper. They are more durable, provide better protection, and are easier to remove. Additionally, they are available in a wide variety of materials, thicknesses, and sizes to meet the specific needs of different applications.

6. Conclusion

Release film substrates play a critical role in the manufacturing of adhesive tapes, labels, and decals. They protect the adhesive during storage and transport, ensuring that the product can be easily peeled away from its backing material without damaging the adhesive. Different types of release film substrates are available, including PET film, PP film, PVC film, PE film, and paper-based films. Each type has unique properties that make it suitable for different applications in various industries.

7. FAQs

1. What are release film substrates?

Release film substrates are thin, flexible materials that are applied to the adhesive side of a product to protect it during storage and transport.

2. What are the different types of release film substrates?

The different types of release film substrates include PET film, PP film, PVC film, PE film, and paper-based films.

3. What are release film substrates used for?

Release film substrates are used in the production of adhesive tapes, labels, and decals for various industries such as automotive, electronic, medical, food packaging, and aerospace.

4. What are the advantages of release film substrates?

Release film substrates are more durable, provide better protection, and are easier to remove than other types of protective materials such as waxed paper or silicone-coated paper.

5. Where can I find release film substrates?

Release film substrates are available from a variety of manufacturers and suppliers. They can be purchased online or through local distributors.


Kaide New Material, Polyethylene Film Supplier In China

Kaide New Material is a prominent Chinese manufacturer and supplier that specializes in producing top-notch polyethylene film products. With over 8 years of experience in the industry, the company has established a reputation for producing innovative and reliable film solutions for a wide range of applications, including packaging, agriculture, construction, and more.


Our polyethylene films are made using advanced manufacturing processes and high-quality raw materials, ensuring superior performance, durability, and versatility. From standard films to custom-made products, Kaide New Material offers a comprehensive range of polyethylene films to meet the needs of various industries and applications.


The company is committed to providing excellent customer service, competitive pricing, and timely delivery, making them a trusted partner for businesses looking for reliable and cost-effective film solutions. With a strong focus on quality and innovation, Kaide New Material is a leading player in the polyethylene film industry, serving customers across China and around the world.