/  Non-substrate adhesive tape

/  Hot melt sheet

A "hot melt sheet" typically refers to a sheet or film made from a material that is applied in a molten or heated state and solidifies upon cooling. This process is commonly known as hot melt coating or hot melt extrusion. The term "hot melt" generally refers to materials that are thermoplastic and can undergo repeated cycles of melting and solidification without significant degradation. Here are some key points about hot melt sheets:

 Materials Used:

Hot melt sheets are often made from thermoplastic materials that have low viscosity when melted and can be easily applied as a coating or film. Common materials include various types of polyethylene, polypropylene, ethylene vinyl acetate (EVA), and other thermoplastics.

 Application Process:

The manufacturing process involves heating the thermoplastic material to a molten state and then applying it onto a substrate, such as a backing material or another sheet. The application can be done through methods like extrusion, slot coating, or curtain coating.

 Quick Solidification:

The key characteristic of hot melt materials is their ability to solidify rapidly upon cooling. This property allows for efficient and quick processing in manufacturing.

 Bonding and Adhesion:

Hot melt sheets are often used for bonding and adhesion purposes. In applications like packaging or woodworking, hot melt adhesives can be applied as a sheet or film to create a bond when pressed between surfaces.

 Packaging Industry:

Hot melt sheets are commonly used in the packaging industry for applications such as case and carton sealing, bonding labels, and laminating flexible packaging materials.

 Textile Industry:

In the textile industry, hot melt sheets can be applied as adhesive interlinings in garments to provide stiffness, structure, or bonding between fabric layers.

 Automotive Applications:

Hot melt sheets find use in the automotive industry for bonding interior components, such as headliners, carpets, and panels.

 Hygiene Products:

Hot melt sheets are used in the production of hygiene products such as diapers and sanitary napkins, where they may serve as bonding or laminating layers.

Hot melt sheets offer advantages in terms of quick processing, ease of application, and versatility in bonding various materials. The choice of material and application method depends on the specific requirements of the intended use, whether for adhesive bonding, laminating, or other applications.

/  ACF (Anisotropic conductive film)

Anisotropic Conductive Film (ACF) is a specialized adhesive film that contains conductive particles. It is used for making electrical connections between electronic components, especially in applications where a fine pitch is required. Here are key points about ACF:


ACF typically consists of a thin layer of adhesive filled with conductive particles. The conductive particles are usually metal-coated polymer spheres.


ACF is anisotropic, meaning it conducts electricity more effectively in one direction than the other. This property is crucial for making precise and controlled electrical connections.


ACF is widely used in the electronics industry for connecting flexible printed circuits (FPCs) to various components, such as liquid crystal display (LCD) panels, touch panels, and other electronic devices.

 LCD Bonding:

One of the primary applications of ACF is in bonding flexible printed circuits to LCD glass substrates. It provides a reliable and conductive connection while accommodating the flexibility required in certain display applications.

 Pitch and Size:

ACF is suitable for applications with fine pitch requirements, where the distance between electrical contacts is small. This makes it ideal for modern electronic devices with compact designs.

 Heat and Pressure Bonding:

ACF is typically applied using a combination of heat and pressure. This process helps the conductive particles in the adhesive to establish electrical connections.


ACF is flexible, allowing it to conform to the contours of the surfaces it bonds. This flexibility is essential in applications where there may be movement or bending.


ACF offers several advantages, including the ability to create reliable electrical connections with a low-profile design. It is also suitable for applications where soldering may not be feasible or desirable.


In some cases, ACF allows for the repair of electronic devices by facilitating the replacement of damaged components without the need for complex soldering processes.

 Quality Control:

ACF bonding processes often involve precise alignment and bonding, requiring careful quality control measures to ensure the integrity of the electrical connections.

/  Substrate less adhesive tape

Refers to a type of tape that doesn't rely on a traditional backing material (such as paper or plastic film) to provide structural support. Instead, the adhesive itself is formulated to be strong and durable enough to adhere directly to surfaces without the need for a separate substrate.

These tapes are often used in applications where traditional tapes might not be suitable due to the presence of irregular surfaces, extreme temperatures, or other challenging conditions.

Substrateless adhesive tapes can conform more easily to uneven surfaces and provide reliable adhesion in a variety of environments.

Common applications for substrateless adhesive tapes include:

 Automotive assembly: These

These tapes are used for bonding trim, moldings, and other components where a strong, durable bond is required.

 Electronics manufacturing:

Substrateless tapes can be used for bonding components in electronic devices where traditional tapes might not provide sufficient adhesion.

 Aerospace and aviation:

These tapes are often used in the construction and maintenance of aircraft, where lightweight, high-strength materials are required.

 Medical devices:

Substrateless tapes can be used in the assembly of medical devices where biocompatibility and reliability are essential.

 Construction and building maintenance:

These tapes can be used for a variety of applications in construction, including bonding insulation, sealing joints, and repairing surfaces.

Overall, substrateless adhesive tapes offer a versatile solution for bonding and assembly applications where traditional tapes may not be suitable. They provide strong, reliable adhesion without the need for a separate backing material, making them well-suited for a wide range of industries and applications.

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