Beijing Yitian Mica Technology Co., Ltd.
Beijing Yitian Mica Technology Co., Ltd.
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Milk White Color And Golden Color Mica Board Mica Sheet For Electrical Insulating Board
Mica boards, available in various colors including milk white and golden, are widely used in electrical insulation applications. Here’s an overview of their characteristics, benefits, and typical uses:
Material Composition: Mica boards are made from natural mica, which is processed into sheets or boards. The different colors may be achieved through the addition of fillers or treated mica.
Electrical Insulation: Both milk white and golden mica boards provide excellent electrical insulation, making them suitable for high-voltage applications.
Thermal Stability: Mica boards can withstand high temperatures, typically ranging from -200°C to +1000°C, depending on the specific formulation.
Low Moisture Absorption: Mica has low moisture absorption properties, which helps maintain its insulating capabilities over time.
High Dielectric Strength: Mica boards have a high dielectric strength, which allows them to handle significant electrical stress without breaking down.
Durability: They are resistant to wear and chemical exposure, enhancing their longevity in various applications.
Aesthetic Options: The availability of different colors, such as milk white and golden, allows for aesthetic customization in visible applications.
Lightweight: Mica boards are lightweight, making them easy to handle and install.
Electrical Insulation: Used in transformers, capacitors, and other electrical devices to provide insulation between conductive parts.
Heat Shields: Mica boards can act as thermal barriers in high-temperature environments, protecting sensitive components.
Gaskets and Seals: They can be cut into shapes for use as gaskets in electrical equipment, providing both insulation and sealing capabilities.
Support Structures: Mica boards can be utilized as structural components in electrical assemblies, providing support while insulating.
Decorative Applications: The aesthetic appeal of colored mica boards can be leveraged in decorative electrical housings or consumer electronics.
Thickness and Size: Choose the appropriate thickness and size based on the specific application to ensure optimal performance.
Quality: Ensure that the mica boards meet relevant quality standards for electrical insulation to avoid failures.
Cost: While mica boards can be more expensive than some synthetic alternatives, their performance benefits often justify the investment.
Milk white and golden mica boards are excellent choices for electrical insulating applications. Their unique properties, including high dielectric strength, thermal stability, and resistance to moisture and chemicals, make them suitable for a wide range of uses in electrical and electronic devices. Selecting the right type and quality of mica board is crucial for ensuring safety and efficiency in these applications.
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 EV 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
