Beijing Yitian Mica Technology Co., Ltd.
Beijing Yitian Mica Technology Co., Ltd.
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Mica Punched Parts In Energy Storage Battery System
Mica-punched parts refer to components made from mica that have been processed through a punching method to create specific shapes or designs. Here’s a breakdown of what mica-punched parts detail:
What are mica-punched parts?
The mica gasket is made of a rigid mica sheet, which has excellent mechanical strength and electrical properties under normality.
How to cut the mica sheet into mica insulation parts?
When people get the mica sheets, they will process the mica sheet to mica insulation parts. How to cut the mica sheet then? The process method depends on the mica sheet thickness and the mica insulation parts’ accuracy.
Thickness < 2.0mm can be punched by mold tooling.
Thickness > 2.0mm can be machined like cut, drill, mill, CNC process, and so on.
The mica gasket is made of a rigid mica sheet, which has excellent mechanical strength and electrical properties under normality.
The above video shows the laser cutting process method, that’s suit for the all-thickness mica sheet. Also used to make mica gasket samples when the thickness is lower than 2.0mm.
Material Composition: Mica is a naturally occurring mineral known for its excellent electrical insulating properties, thermal stability, and resistance to moisture and chemicals.
Manufacturing Process: The punching process involves cutting out shapes from mica sheets using mechanical or hydraulic presses. This allows for precise dimensions and intricate designs, making it suitable for various applications.
Customizability: Mica-punched parts can be customized in terms of shape, size, and thickness to meet specific requirements for different applications.
Mica-punched parts are used in various industries, including:
Electrical Insulation: They serve as insulating components in electrical devices, helping to prevent short circuits and ensuring safety.
Heat Shields: Mica’s thermal resistance makes it suitable for use in applications requiring heat protection.
Gaskets and Seals: Mica-punched parts can be used as gaskets to provide sealing in various mechanical assemblies, especially where chemical resistance is required.
Automotive Components: They are used in electrical insulation and heat management in vehicles.
Aerospace Applications: Due to their lightweight and insulating properties, mica parts are often utilized in aerospace technologies.
High Thermal Resistance: Mica can withstand high temperatures, making it ideal for high-heat applications.
Electrical Insulation: Mica provides excellent insulation, essential for protecting sensitive electronic components.
Chemical Stability: Its resistance to acids, bases, and solvents makes mica-punched parts suitable for harsh environments.
Mica-punched parts are valuable components in many industrial applications, providing essential properties like insulation, thermal resistance, and chemical stability. Their customizability through the punching process allows for tailored solutions to meet specific operational needs.
Technical Data Sheet
| Property | HP5 | HP8 | Unit | Test Criteria |
| Mica Type | Muscovite | Phlogopie | Visual | |
| Mica content | 92 | 92 | % | IEC 60371-2 |
| Glue content | 8 | 8 | % | IEC 60371-2 |
| Density | 1.8-2.45 | 1.8-2.45 | g/cm3 | IEC 60371-2 |
| Yield Strength | ＞200 | ＞200 | MPa | GB/T 5019.2 |
| Moisture Absorption | ＜1 | ＜1 | % | GB/T 5019.2 |
| Fire Resistance | ||||
| Continuous working condition | 500 | 700 | ℃ | |
| Intermittent working condition | 800 | 1000 | ℃ | |
| Thermal gravimetry | ||||
| Thermal gravimetry at 500℃ | ＜1 | ＜1 | % | IEC 60371-2 |
| Thermal gravimetry at 700℃ | ＜2 | ＜2 | % | IEC 60371-2 |
| Electric property | ||||
| Dielectric strength | ＞20 | ＞20 | KV/mm | IEC 60243-1 |
| Insulation resistance at 23℃ | 1017 | 1017 | Ω·cm | IEC 60243-1 |
| Insulation resistance at 500℃ | 1012 | 1012 | Ω·cm | IEC 60243-1 |
| Flame retardant test | ||||
| Flame retardance | UL94 V-0 | UL94 V-0 | ||
| Smoke test | ＜4 | ＜4 |
| |
Mica Testings for New Energy Industry as below:
| Item | Property | Testing items | Testing criteria | Tested by |
| 1 | Physical Property | Mica content | IEC 60371 | YT Mica Internal Test |
| 2 | Glue content | IEC 60371 | ||
| 3 | Density | IEC 60371 | ||
| 4 | Thickness | Thickness Gauge Test | ||
| 5 | Water Absorption | ISO 62 | ||
| 6 | Delamination | GB/T 5019.2-2009 | ||
| 7 | TGA(Thermal Gravimetry Analysis) | IEC60371 | 3rd PartyTest | |
| 8 | Linear expansion coefficient (length direction) thickness direction | ASTM E831 | 3rd PartyTest | |
| 9 | Back glued performance | Peel off strength | ASTM D3330 | YT Mica Internal Test |
| 10 | Fire retardance | Flame retardance | UL94 | 3rd PartyTest |
| 11 | Cleanness | Cleaness | VDA19,ISO16232 | 3rd PartyTest |
| 12 | Thermal Property | Thermal conductivity | ASTM E1461 | 3rd PartyTest |
| 13 | Heat Capacity | ISO 11357 | 3rd PartyTest | |
| 14 | Fire Resistance | 1200±100℃,30min | YT Mica Internal Test | |
| 15 | Mechanic Property | 25℃ Bending Strength | ISO 178 | YT Mica Internal Test |
| 16 | 25℃Bending Modulus | ISO 178 | ||
| 17 | -40℃ Bending Strength | ISO 178 | ||
| 18 | 25℃ Tensile Strength | ISO 527 | ||
| 19 | 25℃ Section Elongation | ISO 527 | ||
| 20 | 25℃ Tensile Modulus | ISO 527 | ||
| 21 | Impact / Shock Strength | ISO 179:2010 | 3rd PartyTest |
| Item | Property | Testing items | Testing criteria | Tested by |
| 22 | Electrical properties | Insulation resistance | IEC 60093/IEC 62631-3 | YT Mica Internal Test |
| 23 | Volume resistivity | GB/T1410-2006 | YT Mica Internal Test | |
| 24 | Dielectric Strength | IEC 60243 | YT Mica Internal Test | |
| 25 | Withstand voltage test | GB/T1408-2016 | YT Mica Internal Test | |
| 26 | Comparative Tracking lndex(CTI) | IEC 60112 | 3rd PartyTest | |
| 27 | Ecologic performance | Hazardous substances | RoHS2.0 & REACH & ELV | 3rd PartyTest |
| 28 | Aging performance 85/85, 1000h, after the test completed, 2 hours standby at room temperature | Visual Inspection | YT Mica Internal Test | |
| 29 | Dimension Control | YT Mica Internal Test | ||
| 30 | Weight Control | YT Mica Internal Test | ||
| 31 | Water Absorption | ISO 62 | YT Mica Internal Test | |
| 32 | Tensile Strength | IEC 60371-2/GBT 5019.2 | YT Mica Internal Test | |
| 33 | Bending Strength | ISO 178 | YT Mica Internal Test | |
| 34 | Dielectric Strenght | IEC 60243 | YT Mica Internal Test | |
| 35 | Insulation resistance | IEC 60093/IEC 62631-3 | YT Mica Internal Test | |
| 36 | Withstand voltage test | GB/T1408-2016 | YT Mica Internal Test | |
| 37 | Thermal conductivity | GB/T 10294-2008 | 3rd PartyTest | |
| 38 | Flame retardance | UL94 | 3rd PartyTest |
Mica plate for storage energy
Mica plates can be an interesting choice for energy storage applications due to their unique properties. Here are some key points about mica and its potential uses in energy storage:
Mica plates have the potential to enhance energy storage systems, particularly in applications requiring high insulation capabilities and thermal stability. Further research and development could expand their use in innovative energy solutions.
Yitian Mica has obtained 5 invention patents, 21 practical patents, 20 software registration rights, and 3 trademarks. More intellectual property rights has been applied for verification.
YTMICA 5 invention patents:
a mica insulation material for battery cells and its processing & application.
a squeeze-resistant fireproof mica tape for power batteries and its processing & application.
high-temperature resistant mica tape & mica thermal insulation parts and their production methods.
a processing method for fire-resistant mica tape.
a fire-resistant insulation tape for optical cables.
System certifications obtained:
ISO9001 Quality Management System Certificate
ISO14001 Environmental Management System Certificate
ISO45001 Certificate of Occupational Health&Safety Management
IATF 16949 Quality Management System certificate
SA8000 Social Responsibility Management System Certificate
YT MICA fully implement the ISO 9001-2015 quality system operation,as a stan- dardization of internal management,strengthen the system building an important measure.A strict quality control system has been established,from raw materials, processes, finished products inspection,to ensure that every link in the production process is strictly in accordance with the standards for testing.
YT Mica has equipped with various fire-resistant testing devices and can assist customers in developing fire-resistant cable products according to different standards of various countries, providing one-stop solution service.
YT Mica has a dedicated R&D department working on innovations and the development of your projects. It is our longstanding experience with processing natural mica that allows us to provide tailor-made solutions for our end customers. Our product development and application engineering specialists will be in close cooperation with our customers to identify their needs and meet their specific requirements. If we don't have an immediate solution for you, our R&D department will work with you to develop and deliver the best possible solution that will meet your needs.
We have invested and developed expertise in machining, drilling, cutting, sawing and punching, thermal pressing/stamping our products to provide the best solutions to our customers. From our home made mica sheets we can manufacture pieces according to your technical specifications.
Know more about YT Mica at www.ncnc.cn
