Electrical Insulation Tape for Motors and Generators
2026-10-08
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Why Is Insulation Tape Important in Motors and Generators?
Electric motors and generators contain windings that operate under electrical, thermal, and mechanical stresses.
Electrical insulation tape can be used to provide insulation between conductive components, protect winding structures, and secure insulation materials during manufacturing.
Depending on the design, tape may be used for:
Coil and winding insulation
End-winding insulation
Slot insulation support
Layer separation
Lead insulation
Coil wrapping
Insulation material fixation
Winding reinforcement
The correct tape depends on the insulation system and the manufacturing process.
Common Applications
1. Motor Winding Insulation
Insulation tape can be applied around coils or winding components to provide electrical separation.
PET / Mylar tape is a common option when a thin, dimensionally stable insulating material is required.
For applications with higher thermal requirements, PI tape or other high-temperature constructions may be considered.
2. End-Winding Insulation
The end-winding area can require flexible insulation that can conform to curved or irregular surfaces.
The tape should provide suitable:
Flexibility
Adhesion
Electrical insulation
Mechanical stability
Temperature resistance
PI and other flexible electrical insulation tapes are commonly used for demanding end-winding applications.
3. Coil Wrapping
Tape can be used to wrap coils and secure insulation layers during motor or generator assembly.
For these applications, consistent thickness and stable unwinding are important because the tape may be applied under controlled tension.
4. Insulation Material Fixation
Adhesive tape can also be used to hold materials such as slot liners or other insulation components in position during assembly.
High initial tack can be useful for some assembly processes, while other applications may require long-term temperature and electrical stability.
Common Tape Materials
Tape Type
Main Characteristics
Typical Application
PET / Mylar
Thin, stable, good electrical insulation
Coil and winding insulation
PI / Kapton
High-temperature insulation capability
End-winding and high-temperature applications
PET Composite Non-Woven
Flexible composite structure
Reinforced insulation and protection
PET Silicone
Silicone adhesive system
Selected high-temperature applications
Fiberglass Cloth
High strength and mechanical support
Reinforcement and insulation
The actual performance depends on the complete tape construction, including backing, adhesive, thickness, and test conditions.
PET Tape for Motors
PET insulation tape can be a practical choice for motor applications where thin electrical insulation and dimensional stability are required.
It can be used for applications such as:
Coil wrapping
Outer winding insulation
End-winding insulation
Layer separation
Insulation material fixation
PET tapes are available in different thicknesses, colors, widths, and adhesive systems. Industry suppliers also offer PET insulation tapes specifically for motor and coil applications.
PI Tape for High-Temperature Applications
PI / Kapton tape is generally selected when the application requires higher thermal performance than conventional PET tape can provide.
It can be considered for:
High-temperature motor windings
Generator insulation
End-winding insulation
Electrical component protection
However, the temperature capability of an adhesive tape is determined by the complete construction. The adhesive must also be suitable for the intended temperature and application environment.
What Should You Consider When Selecting Motor Insulation Tape?
Temperature
First determine the actual operating and processing temperature.
Do not select a tape only according to the temperature rating of its backing material. The adhesive and complete insulation construction also need to be considered.
Electrical Requirements
Depending on the motor design, requirements may include:
Breakdown voltage
Dielectric strength
Insulation resistance
Insulation thickness
The test method should be confirmed when comparing different suppliers.
Mechanical Requirements
Some motor applications require the tape to withstand:
Winding tension
Vibration
Abrasion
Coil movement
Assembly forces
For these applications, tensile strength and resistance to mechanical damage may be important.
Adhesion
Adhesion should be evaluated on the actual substrate.
The tape may contact insulation film, copper wire, coil materials, or other insulation components. A tape that performs well on a standard test plate may behave differently on the actual application surface.
Width and Thickness
Motor insulation tape is frequently converted into customized narrow widths.
Accurate slitting is important for applications where the tape must fit a specific winding or coil dimension.
Motor Insulation Tape for Automatic Manufacturing
Automatic winding and assembly equipment places additional requirements on tape converting quality.
The finished roll should ideally have:
Consistent width
Clean edges
Uniform winding density
Stable roll shape
Good flatness
Consistent unwinding
For narrow tapes, poor winding quality can cause wrinkles, deformation, feeding instability, or positioning problems during machine application.
Therefore, motor insulation tape should be evaluated as both a material and a finished roll.
How to Choose the Right Tape
A practical selection process is:
Application → Temperature → Electrical Requirements → Mechanical Requirements → Backing Material → Adhesive → Thickness → Width → Application Method → Roll Quality
Before requesting a quotation, provide:
Motor or generator application
Tape material
Thickness
Width
Length
Adhesive requirement
Temperature requirement
Electrical requirements
Manual or automatic application
Estimated quantity
This information helps the manufacturer recommend a suitable construction and provide more accurate samples.
Motor and Generator Insulation Tape from LY
Changshu Liangyi Tape Industrial Co., Ltd. is a source manufacturer of industrial electrical insulation tapes.
Our production process covers:
Adhesive Coating → Rewinding → Slitting → Inspection → Packing
Our product range includes:
PET / Mylar insulation tape
PI / Kapton tape
PET composite non-woven tape
PET silicone tape
Fiberglass cloth tape for electrical insulation
Customized widths, thicknesses, lengths, colors, and roll specifications are available for suitable motor and generator applications.
For automatic winding processes, we also focus on slitting accuracy, roll flatness, winding density, and finished-roll stability.
Conclusion
Electrical insulation tape is used in motors and generators for more than basic insulation. It can also support coil wrapping, end-winding insulation, layer separation, and insulation material fixation.
The right tape should match the application's temperature, electrical, mechanical, adhesive, dimensional, and manufacturing requirements.
If you are sourcing motor or generator insulation tape, send us your material, thickness, width, length, application, and quantity. LY can provide a customized electrical insulation tape solution for your winding process.
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Transformer Margin Tape: How It Works and How to Select It
2026-10-08
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What Is Transformer Margin Tape?
Transformer margin tape is a narrow electrical insulation tape used around the edges of transformer windings to create a controlled insulating margin.
In a typical winding structure, the margin extends the insulation path between conductive parts. This helps maintain the required electrical separation while allowing the winding to be manufactured within the available bobbin or coil width.
Margin tape is therefore not simply used for bonding. Its width, position, thickness, and winding accuracy can directly affect the insulation structure.
How Does Margin Tape Work?
A transformer winding may contain primary, secondary, bias, and other winding sections.
Margin tape can be positioned along the sides of the winding area so that the conductive winding does not extend directly to the edge.
A simplified structure is:
Bobbin → Margin Tape → Winding → Insulation Layer → Winding
The actual design depends on the transformer construction and applicable insulation requirements.
For margin-wound transformer designs, the margin helps establish the required creepage path between winding sections.
Why Is Margin Width Important?
Margin width is one of the most important specifications.
If the margin is too narrow, the designed insulation distance may not be achieved.
If it is unnecessarily wide, it can reduce the available winding area.
Therefore, margin width should be determined according to the transformer design and required insulation distance rather than simply selecting the widest tape available.
For example, transformer designs may use symmetrical margins on both sides of the winding. The effective winding area is therefore affected by the margin width.
Required margin width → Available winding width → Actual winding position
These dimensions should be considered together during transformer design.
Common Materials for Transformer Margin Tape
PET / Mylar Margin Tape
PET film is widely used for electrical insulation because of its combination of dimensional stability, mechanical strength, and electrical insulation properties.
PET / Mylar margin tape can be slit into narrow customized widths for transformer winding applications.
It is suitable for applications where thin and stable insulation material is required.
PET Composite Non-Woven Margin Tape
A PET composite non-woven structure can combine a PET film with a non-woven insulation layer.
This type of construction can provide additional flexibility and mechanical support compared with a single film structure.
It can be considered for transformer applications where a composite insulation structure is preferred.
PI / Kapton Margin Tape
PI tape can be selected when the application requires higher-temperature performance.
However, the actual temperature capability depends on the complete tape construction, including the polyimide film and adhesive system.
Key Specifications When Buying Margin Tape
1. Width
Width is usually one of the most important requirements for margin tape.
Customers should specify the required width based on the transformer design and winding structure.
For narrow-width products, consistent slitting is especially important.
2. Thickness
The total thickness should be clearly defined.
When requesting a quotation, confirm whether the specification refers to:
Base film thickness
Composite material thickness
Adhesive thickness
Total tape thickness
This avoids confusion when comparing different suppliers.
3. Electrical Performance
Depending on the insulation system, customers may specify:
Breakdown voltage
Dielectric strength
Insulation resistance
Required insulation thickness
The test method and conditions should also be confirmed when comparing technical data from different suppliers.
4. Adhesive
If adhesive-backed margin tape is required, adhesive selection should consider:
Required tack
Peel strength
Application substrate
Temperature
Manufacturing process
Long-term stability
The adhesive should hold the tape in position without interfering with the transformer insulation system.
5. Winding Quality
For automatic winding, finished-roll quality is particularly important.
The tape should have:
Accurate width
Clean edges
Stable roll shape
Uniform winding density
Good flatness
Consistent unwinding
Poorly rewound narrow tape can cause feeding instability or affect positioning during automatic winding.
Margin Tape for Automatic Transformer Winding
Automatic winding machines require stable and consistent tape feeding.
A narrow margin tape roll may be subjected to tension, acceleration, and repeated changes in winding direction during production.
Therefore, the quality of the finished roll can be just as important as the basic material specification.
For automatic applications, buyers should evaluate both:
Tape Performance + Converting Quality
This includes the film or composite material, adhesive, slitting accuracy, rewinding tension, roll flatness, and winding density.
How to Choose the Right Margin Tape
Before selecting a product, confirm the following:
Requirement
What to Confirm
Application
Transformer type and winding position
Material
PET, composite, PI, etc.
Width
Required margin width
Thickness
Total tape thickness
Adhesive
Adhesive type and adhesion requirement
Electrical
Breakdown / dielectric requirements
Temperature
Operating and process temperature
Application
Manual or automatic winding
Roll
Length, core, winding density and flatness
A practical selection process is:
Transformer Design → Required Insulation Margin → Tape Width → Material → Thickness → Adhesive → Electrical Requirements → Winding Method → Finished Roll
Customized Transformer Margin Tape from LY
Changshu Liangyi Tape Industrial Co., Ltd. is a source manufacturer specializing in industrial electrical insulation tapes.
Our production process covers:
Adhesive Coating → Rewinding → Slitting → Inspection → Packing
We manufacture:
PET / Mylar insulation tape
PI / Kapton tape
PET composite non-woven tape
PET silicone tape
Fiberglass cloth tape for electrical insulation
For transformer margin tape, customized width, thickness, length, adhesive, color, and roll specifications can be provided according to the application.
Our converting process also focuses on narrow-width slitting, roll flatness, winding density, and stable finished-roll quality for manual and automatic applications.
Conclusion
Transformer margin tape helps establish a controlled insulating margin around transformer windings.
The correct product should be selected according to the transformer design, required insulation distance, tape width, thickness, electrical requirements, adhesive, and winding process.
For automatic winding applications, slitting accuracy and finished-roll quality should also be considered.
Looking for customized transformer margin tape? Send us your required width, thickness, material, length, application, and quantity. LY can provide a suitable electrical insulation tape solution for your transformer winding application.
View More
PET Composite Non-Woven Tape for Electrical Insulation
2026-09-29
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What Is PET Composite Non-Woven Tape?
PET composite non-woven tape is an electrical insulation tape made by combining a polyester (PET) film layer with a non-woven insulating layer, together with a suitable adhesive system when an adhesive-backed construction is required.
The composite structure combines the dimensional stability and dielectric properties of PET film with the flexibility and conformability of non-woven material.
This makes PET composite non-woven tape useful for electrical insulation applications where a single film layer may not provide the required combination of flexibility, mechanical protection, and insulation performance.
Structure of PET Composite Non-Woven Tape
A typical construction may include:
PET Film + Non-Woven Insulation Layer + Adhesive
Depending on the application, the material structure and adhesive can be customized.
The PET layer can provide:
Electrical insulation
Dimensional stability
Mechanical strength
Smooth and consistent surface
The non-woven layer can provide:
Flexibility
Conformability
Cushioning
Additional insulation thickness
The final performance depends on the materials, thickness, adhesive system, and manufacturing process.
Where Is PET Composite Non-Woven Tape Used?
PET composite non-woven tape can be used in various electrical insulation applications.
1. Transformer Insulation
The tape can be used for winding insulation, layer separation, component wrapping, and other insulation positions where a composite structure is required.
Transformer insulation systems may use different materials according to the specific electrical, thermal, and mechanical requirements of each position.
2. Motor and Coil Insulation
PET composite non-woven tape can also be considered for motor and coil applications where flexibility and insulation stability are important.
It can be used for:
Coil wrapping
Winding insulation
Component fixing
Protective insulation
Separation between insulating components
3. Electrical Components
The composite structure can also be used in various electrical and electronic components where additional insulation thickness or conformability is required.
PET Composite Non-Woven Tape vs PET Film Tape
Although both products use PET film, their structures and application characteristics are different.
Feature
PET Film Tape
PET Composite Non-Woven Tape
Structure
PET film + adhesive
PET + non-woven + adhesive
Flexibility
Good
Generally higher
Surface
Smooth
Composite structure
Dimensional stability
High
High, depending on construction
Cushioning
Limited
Better
Thickness options
Thin to medium
Medium and higher constructions
Typical use
General electrical insulation
Composite insulation and wrapping
The right choice depends on the insulation position and required tape construction rather than simply the material name.
How to Choose PET Composite Non-Woven Tape
Before selecting a product, several parameters should be confirmed.
Thickness
Thickness affects insulation build-up, mechanical protection, and the available space inside the component.
Width
The tape width should match the winding or assembly process. Narrow tapes may be required for automatic or precision applications.
Adhesive
The adhesive system should be compatible with the application temperature and the surface being bonded.
Electrical Performance
Depending on the insulation system, buyers may need to evaluate dielectric strength, insulation resistance, and other electrical properties.
Temperature Resistance
The complete tape construction should be evaluated under the actual operating and processing temperature.
Winding and Converting Quality
For automatic applications, consistent slitting, stable rewinding, edge quality, and winding density are also important.
Why Manufacturing Quality Matters
For composite insulation tapes, the performance of the finished product depends not only on the raw materials but also on the converting process.
Important manufacturing controls include:
Composite material quality
Adhesive coating uniformity
Drying and curing
Rewinding tension
Slitting accuracy
Roll winding density
Finished-product inspection
Poor converting quality can cause problems such as uneven edges, unstable rolls, wrinkles, or inconsistent tape feeding.
Customized PET Composite Non-Woven Tape
Different electrical components may require different combinations of:
PET film thickness
Non-woven thickness
Total thickness
Adhesive type
Adhesive thickness
Tape width
Roll length
Core size
Color
Therefore, customized PET composite non-woven tape can be developed according to the customer's insulation structure and production process.
Liangyi Tape — Electrical Insulation Tape Manufacturer
Changshu Liangyi Tape Industrial Co., Ltd. is a source manufacturer of electrical insulation tapes with in-house coating, rewinding, and slitting capabilities.
Our product range includes:
PET / Mylar insulation tape
PI / Kapton tape
PET composite non-woven tape
PET silicone tape
Fiberglass cloth insulation tape
Transformer barrier tape
Transformer margin tape
We can provide customized widths, thicknesses, adhesive systems, and roll specifications for transformer, motor, coil, and other electrical insulation applications.
Conclusion
PET composite non-woven tape combines the advantages of PET film and non-woven insulation materials in one composite construction.
It can be considered when an electrical insulation application requires a combination of insulation, flexibility, mechanical stability, and conformability.
When selecting the right tape, evaluate the complete construction, adhesive system, thickness, electrical performance, temperature requirements, and converting quality rather than choosing only by the backing material.
Looking for customized PET composite non-woven tape for electrical insulation? Contact Liangyi Tape for your application requirements.
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Why Tape Flatness Matters in Automatic Tape Application
2026-09-28
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Electrical insulation tape is often used in automatic winding and taping processes for transformers, coils, motors, and other electrical components.
For these applications, electrical insulation performance is not the only consideration. Tape flatness, winding density, roll stability, and slitting quality can also directly affect the performance of automatic equipment.
A tape that looks acceptable during manual application may still cause problems on an automatic winding machine if the finished roll is not sufficiently flat and stable.
What Is Tape Flatness?
Tape flatness refers to the ability of a finished tape roll or tape web to remain relatively flat and stable without excessive curling, deformation, edge lifting, or uneven winding.
For automatic applications, good tape flatness helps the tape:
Feed smoothly through the machine
Maintain a stable running direction
Pass through guide rollers correctly
Maintain consistent contact with the application surface
Reduce wrinkles and edge deformation
Prevent unexpected interference with machine components
This is particularly important for narrow insulation tapes used at high winding speeds.
Why Is Flatness Important for Automatic Winding Machines?
Automatic winding machines typically use rollers, guides, tension systems, and other mechanisms to control the movement of insulation tape. Research on insulation-tape winding systems also highlights the importance of controlling tape tension during automatic winding.
If the tape roll has poor winding quality, several problems may occur.
1. Tape Deformation
If the finished roll is uneven or has excessive internal stress, the tape may deform when unwound.
This can cause:
Edge lifting
Tape curling
Wrinkles
Uneven feeding
Unstable positioning
2. Unstable Tape Feeding
Automatic equipment requires relatively consistent tape movement.
A deformed tape roll may cause the tape to move from side to side or fail to remain properly aligned with the guide system.
This can affect the final winding position.
3. Interference With Machine Rollers
For some automatic winding applications, the tape needs to pass through multiple rollers.
If the tape roll contains loose areas, protrusions, or unevenly wound sections, the tape may not enter the roller system smoothly.
In severe cases, the tape can become trapped between rollers and interrupt production.
4. Reduced Winding Consistency
Uneven winding density can create differences in roll diameter and local tension.
During automatic application, this may result in inconsistent tape feeding and different winding tension from one section of the roll to another.
What Causes Poor Tape Flatness?
Tape flatness is influenced by several manufacturing factors.
Factor
Possible Effect
Rewinding tension
Excessive or insufficient tension may cause deformation
Winding density
Loose winding can create gaps and unstable roll structure
Slitting quality
Uneven edges can affect tape tracking
Core alignment
Misalignment can cause an uneven roll
Film properties
Flexible films may be more sensitive to winding conditions
Adhesive properties
Adhesive thickness and tack can affect winding behavior
Roll handling
Improper storage or transportation may deform finished rolls
Therefore, tape flatness should be considered together with rewinding and slitting quality, rather than treated as an isolated appearance requirement.
Why Winding Density Matters
A well-controlled rewinding process should produce a compact and uniform roll.
If the winding density is too low, gaps may form between tape layers. These gaps can become more obvious during transportation, storage, or automatic unwinding.
For narrow tapes used on automatic equipment, loose winding may create local protrusions or unstable sections.
A sufficiently dense and uniform roll provides better dimensional stability and more consistent tape feeding.
The Relationship Between Rewinding Tension and Flatness
Rewinding tension needs to be carefully controlled.
If the tension is too high, the tape may experience excessive stress, edge deformation, or roll distortion.
If the tension is too low, the winding may become loose and unstable.
Therefore, the objective is not simply to use higher winding tension, but to establish a suitable tension range according to the tape structure, width, thickness, adhesive system, and application requirements.
This is especially important for PET/Mylar insulation tapes and other thin electrical insulation materials.
How Can Manufacturers Improve Tape Flatness?
A reliable manufacturing process should control several stages:
1. Stable Slitting
The tape should be slit to the required width with consistent edges and minimal deformation.
2. Controlled Rewinding
Rewinding tension should be adjusted according to the tape construction and roll dimensions.
3. Uniform Winding Density
The finished roll should be compact and evenly wound without obvious loose sections or local protrusions.
4. Roll Inspection
Finished rolls can be checked for:
Flatness
Edge condition
Roll appearance
Winding density
Core alignment
Width
Length
Adhesive condition
5. Application Testing
For tapes intended for automatic equipment, testing the tape on the actual application process can provide more useful information than relying only on conventional laboratory tests.
Tape Flatness Is More Than an Appearance Requirement
For general manual applications, minor roll deformation may not always cause an obvious problem.
For automatic tape application, however, the requirements can be much stricter.
A stable tape roll can help improve feeding consistency, reduce machine interruptions, and maintain uniform winding quality.
This is why electrical insulation tape for automatic equipment should be evaluated not only for electrical and adhesive properties, but also for flatness, winding density, rewinding quality, and converting accuracy.
Liangyi Tape: Electrical Insulation Tape for Automatic Applications
Changshu Liangyi Tape Industrial Co., Ltd. manufactures electrical insulation tapes with in-house coating, rewinding, and slitting capabilities.
Our product range includes:
PET / Mylar insulation tape
PI / Kapton tape
PET silicone tape
PET composite non-woven tape
Fiberglass cloth insulation tape
Transformer barrier tape and margin tape
For automatic winding applications, we can customize tape width, thickness, roll length, adhesive system, rewinding structure, and other converting requirements according to the customer's application.
Our focus is not only on the tape material itself, but also on the finished roll quality required by the customer's production process.
Conclusion
For automatic tape application, tape flatness and winding quality can be just as important as basic insulation and adhesive performance.
Proper slitting, rewinding tension, winding density, and finished-roll inspection can help produce a more stable tape roll for automatic winding machines.
When selecting electrical insulation tape for automatic equipment, it is therefore important to evaluate both material performance and converting quality.
Looking for customized electrical insulation tape for automatic winding applications? Contact Liangyi Tape for PET, PI, silicone, composite, and other electrical insulation tape solutions.
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What Is Margin Tape and How Is It Used in Transformers?
2026-09-28
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Margin tape is an electrical insulation material used in transformer winding applications to create a controlled insulating margin between conductive layers and other transformer components.
It is commonly supplied in narrow or customized widths and can be made from different insulating materials depending on the transformer design, insulation system, and manufacturing requirements.
What Is Transformer Margin Tape?
Transformer margin tape is used to provide additional insulation coverage along the edge of a winding or insulating layer.
During transformer manufacturing, maintaining the required insulation distance is important. Margin tape can help create a defined insulating area and reduce the risk of unwanted contact between conductive components.
The exact width, thickness, and material of margin tape depend on the transformer structure and insulation requirements.
Where Is Margin Tape Used?
Margin tape is mainly associated with transformer winding and electrical insulation applications.
Typical applications include:
Transformer winding insulation
Edge insulation
Layer separation
Insulation margin control
Electrical component protection
Customized transformer insulation structures
The tape may be applied manually or incorporated into automated winding and assembly processes.
Common Materials for Margin Tape
PET / Mylar Margin Tape
PET film is commonly used for electrical insulation because it provides a combination of mechanical strength, dimensional stability, and electrical insulation performance.
PET / Mylar margin tape can be supplied in customized widths and thicknesses according to the transformer design.
PI / Kapton Margin Tape
PI tape may be selected when the application requires higher-temperature performance.
The suitability of PI margin tape depends on the complete tape construction, including the polyimide film and adhesive system.
Composite Insulation Tape
Composite structures can combine different insulation materials to meet specific requirements for flexibility, thickness, mechanical performance, or electrical insulation.
The appropriate construction should be selected according to the customer's insulation system.
How to Choose Margin Tape for Transformers?
1. Width
Width is one of the most important specifications for margin tape.
The required width should correspond to the transformer winding design and the required insulation margin.
For customized products, manufacturers can slit wider materials into specific narrow widths.
2. Thickness
The thickness of margin tape affects the overall insulation structure.
Customers should clarify whether the specified thickness refers to:
Film thickness
Adhesive thickness
Total tape thickness
3. Electrical Insulation Performance
Depending on the application, customers may specify requirements such as:
Breakdown voltage
Dielectric strength
Insulation resistance
Insulation thickness
Testing methods should be clearly defined when comparing products from different suppliers.
4. Temperature Requirements
The tape should be compatible with the operating temperature of the transformer and the overall insulation system.
The actual temperature performance depends on the complete construction, including the backing material and adhesive.
5. Application Method
The application method can also influence tape selection.
For automatic winding or dispensing, important factors may include:
Consistent width
Stable roll structure
Suitable winding density
Clean slitting edges
Good roll flatness
Controlled adhesive performance
A tape that works well for manual application may require additional process validation for automatic equipment.
Customized Transformer Margin Tape
Transformer manufacturers may have different requirements for margin tape depending on their winding design.
Typical specifications include:
Material
Total thickness
Width
Roll length
Core size
Adhesive type
Color
Packaging
At Liangyi Tape, we provide customized electrical insulation tape solutions with coating, rewinding, and slitting capabilities.
Our self-produced insulation tape categories include:
PET / Mylar insulation tape
PI / Kapton tape
PET composite non-woven tape
PET silicone tape
Fiberglass cloth tape for electrical insulation applications
Margin Tape Manufacturer in China
Changshu Liangyi Tape Industrial Co., Ltd. is a source manufacturer of industrial electrical insulation tapes in China.
We focus on electrical insulation tape manufacturing and customized converting rather than general packaging tape.
Our capabilities include:
Adhesive Coating → Rewinding → Slitting → Inspection → Packing
Relevant quality and compliance documentation includes UL E246820, ISO 9001, ISO 14001, IATF 16949, REACH, and RoHS-related testing documentation.
Conclusion
Margin tape is an important insulation material for transformer winding applications. By providing a controlled insulating margin, it can help meet the electrical separation requirements of different transformer designs.
When selecting margin tape, customers should consider the required material, width, thickness, electrical performance, temperature requirements, adhesive, and application method.
Looking for transformer margin tape?
Contact Liangyi Tape with your required width, thickness, quantity, and application for a customized electrical insulation tape solution.
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