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Enhancing EV Battery Safety with High-Performance Ceramic Tape Insulation

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Enhancing EV Battery Safety with High-Performance Ceramic Tape Insulation

Ceramic tape for EV batteries is a specialized material designed to enhance the safety and durability of electric vehicle power systems. This tape is crafted from ceramic fibers known for their exceptional thermal resistance and stability. When applied to EV batteries, it serves multiple critical functions:

1. Thermal Barrier**: Ceramic tape acts as an effective thermal barrier, capable of withstanding extremely high temperatures. This characteristic is essential for EV batteries, which can generate significant heat during operation.


2. Electrical Insulation**: The tape also provides electrical insulation, protecting against short circuits and electrical leaks that could otherwise lead to battery failure or fires.

3. Flame Retardancy**: In the event of a fire, ceramic tape helps to contain and retard the flame, preventing it from spreading to other parts of the vehicle.

4. Mechanical Strength**: Despite its thin profile, ceramic tape offers additional mechanical strength to the battery assembly, aiding in the overall robustness of the battery structure.

5. Lightweight Protection**: Ceramic materials are lighter than many other types of thermal and electrical insulation, which helps in maintaining the efficiency and range of the EV by minimizing additional weight.

6. Chemical Resistance**: The tape is chemically inert, meaning it does not react with the various chemicals present in battery systems, thus ensuring long-term stability and performance.

Specification Item


Testing Protocols


High-performance ceramic fiber

small diameter of ceramic materials,alumina, silica, or a combination of both


Customizable (e.g., 50 meters/roll)



Customizable (e.g., 25mm)



Typically ranges from 0.5mm to 5mm



Lightweight, high-density options available


Melting Point


ASTM D-melting point test

Thermal Conductivity

Low to optimize insulation

ASTM C177 or equivalent

Electrical Insulation

High resistance to prevent short circuits

IEC 60243-1 or equivalent

Tensile Strength

High strength to support mechanical loads

ASTM D638 or equivalent


Good flexibility to conform to various shapes

ASTM D790 or equivalent

Flame Retardancy

Superior flame-retardant performance

UL 94 or equivalent

Chemical Stability

Resistant to corrosion by battery chemicals

In-house chemical resistance test

This is the TDS of one of our products. The performance can be customized according to your needs.


Ceramic tape is typically applied around battery modules or cells, between battery packs, or in any areas where additional insulation and protection are required. With the shift towards electric mobility and the demand for safer and more reliable EVs, ceramic tape is becoming an integral component in the design and manufacture of electric vehicle batteries.

Welcome to contact us for detailed information and inquiries regarding our Ceramic Tape , the innovative flame-retardant solution for electric vehicle batteries. Our team is dedicated to providing you with comprehensive support and answers to your questions.We look forward to assisting you with your needs and exploring how our products can contribute to the success of your projects.


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We are specialized in producing rubberand foam products including extrusion, injectionmolding,curing molding,foam cutting,punching, lamination etc.

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