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This section provides an overview for release films as well as their applications and principles. Also, please take a look at the list of 5 release film manufacturers and their company rankings. Here are the top-ranked release film companies as of February, 2025: 1.Cadillac Products Packaging Company, 2.Drytac Corp., 3.Cosmo Films.
Table of Contents
A release film is a film coated with a release agent.
Materials commonly used for release films include polyethylene terephthalate (PET), along with polypropylene (PP) and polyvinyl chloride (PVC), among others. A typical example is the film attached to the adhesive portion of envelopes, which allows them to be easily peeled off for sealing.
Release agents used in release films are typically chemicals applied to mold surfaces in resin product manufacturing, facilitating the easy removal of the product from the mold. Various types of release agents, such as fluorine-based, silicone-based, oil-based, water-based, and powder-based, are selected based on the material type and the manufacturing environment.
Release films, like release agents, are used between molds and resin during resin product manufacturing to ease the removal of the resin from the mold after molding. These films must possess excellent heat resistance.
In manufacturing processes of items like printed circuit boards, flexible printed boards, and multilayer printed circuit boards, release films are utilized during the hot pressing of copper-clad laminated boards or copper foils with prepregs or heat-resistant films. The components to be bonded are sandwiched between release films during hot pressing, and the release film is removed post-bonding.
Additionally, in the manufacturing processes of panels, papers, or other materials using adhesives or coatings, such as adhesives and paints, release films serve as separator films to prevent mutual adhesion of components.
Release films are also used in various applications, including adhesive manufacturing process paper, corrosion-resistant lining, molding release films for carbon fiber-reinforced plastic (CFRP), industrial roll covers, chemical caps, sterile packaging materials, and recyclable label films.
By applying release agents to films like PET, polypropylene, and PVC, release films become non-adhesive and easily detachable from adhesive substances. Their non-adhesive nature means they do not adhere strongly to highly adhesive materials, making them easy to remove. To achieve this, films must exhibit properties like water and oil repellence, resistance to mixing with water, oil, or other chemicals, and a stable molecular structure. Polytetrafluoroethylene (PTFE), commonly known as teflon, is a material with exceptionally high non-adhesive and heat-resistant properties, often used in release agents.
When selecting a release film, consider the intended use and environment. A variety of release films made from different materials are available in roll or sheet forms, with variations in size.
Each product usually includes clear information about its intended use, aiding in selecting the most suitable option.
Release agents come in various types, including fluorine-based, silicone-based, oil-based, water-based, and powder-based.
1. Fluorine-Based Release Agents
Fluorine-based release agents are widely used for their excellent heat and chemical resistance.
2. Silicone-Based Release Agents
Silicone-based release agents are cost-effective and environmentally friendly, making them suitable for use in the food and medical industries.
3. Oil-Based Release Agents
Oil-based release agents, known for their high adhesiveness, are utilized in rubber or plastic molding processes.
4. Water-Based Release Agents
Water-based release agents have minimal environmental impact and are user-friendly, making them ideal for household applications.
5. Powder-Based Release Agents
Powder-based release agents are easy to apply, leave minimal residue, and are well-suited for electronic component manufacturing.
*Including some distributors, etc.
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ACP Composites, Inc., established in 1985 and based in Livermore, California, USA, is an AS9100D and ISO 9001:2015-certified manufacturer of advanced composite products. The company’s products include composite laminates utilizing epoxy resins, sandwich panels using pre-impregnated composites bonded to light core materials, and lightweight composite tubes in a range of sizes and shapes. It also offers custom manufacturing services for unique client projects. The company serves clients in the life sciences, defense, and aerospace industries.
Cosmo Films is an Indian manufacturer of bi-axially oriented polypropylene films (BOPP), polyethylene terephthalate (BOPET), and cast polypropylene (CPP) films established in 1981 and headquartered in New Delhi. The company produces films used for packaging, as well as various laminations for metallized substrates or paper, labels, and industrial applications such as electrical insulation or capacitors. It also offers injection molded or thermoformed containers and synthetic paper designed to be tear- and water-resistant. The company primarily serves clients in the food and beverage, cosmetics, education, and electronics sectors.
Mitsubishi Chemical America, Inc. (MCA) is a chemical products manufacturer and distributor based in Greer, South Carolina. The company was established in 2017 as one of four regional headquarters of the Mitsubishi Chemical Corporation (MCC), which supplies North American companies like Boeing, Tesla, and Bemis Company, Ltd. The company produces, imports, and distributes MCC products such as ion exchange resins used for metals recovery or water processing, optical reflective sheets used in liquid crystal backlights, and various monomers and polymers used in infrastructure and transportation. MCA serves a wide range of industries including aerospace and defense, energy, and construction.
Ranking as of February 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Cadillac Products Packaging Company |
22.2%
|
| 2 | Drytac Corp. |
22.2%
|
| 3 | Cosmo Films |
22.2%
|
| 4 | Mitsubishi Chemical America, Inc. |
22.2%
|
| 5 | ACP Composites, Inc. |
11.1%
|
Derivation Method
The ranking is calculated based on the click share within the release film page as of February 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
1 | 50.0% |
|
India
|
1 | 50.0% |
12 products found
12 products
Kawamura Sangyo Co.,Ltd
100+ people viewing
Last viewed: 10 hours ago
■Backup tape (carrier tape) A removable PET film-based backup tape that uses a slightly adhesive acrylic adhesive. This tape is suitable for use as...
Nippon Kako Paint Co., Ltd.
270+ people viewing
Last viewed: 16 minutes ago
Standard Response
Since it is a release coating agent that does not use silicone, it can also be used for precision equipment such as electronic parts. In addition, ...
3 models listed
goudou poly industry
540+ people viewing
Last viewed: 22 minutes ago
The embossed film can be granted to the film with the effects such as "over -cleaning", "friction reduction", and "slipping" to the film by "improv...
2 models listed
Nitto El Material Co., Ltd.
300+ people viewing
Last viewed: 8 hours ago
Standard Response
5.0 Company Review
HR-S051 is a separate film that combines polyimid film and a fluorine (PTFE) layer. It has both Pi's thermal stability and PTFE's separation, and h...
Nitto El Material Co., Ltd.
400+ people viewing
Last viewed: 8 hours ago
Standard Response
5.0 Company Review
The MPS series is a molded fluorine resin (PTFE) film for molds with excellent heat resistance and separation. ■ Features ・ It can be used contin...
3 models listed
FUKUDA METAL FOIL & POWDER CO., LTD.
130+ people viewing
Last viewed: 1 day ago
A polystyrene film with excellent mold releasability and heat resistance. Used as a release film during high-temperature press molding. ■Features ...
