High Thermal Conductivity Insulation 99.5 99.7 Alumina Ceramic Plate Board for Sensor Core

Product Overview

Our 99.5% and 99.7% High-Purity Alumina (Al₂O₃) Ceramic Plates are engineered for exceptional thermal conductivity, electrical insulation, and mechanical stability, making them ideal for high-performance sensor cores, power electronics, and industrial applications. With superior heat dissipation and minimal thermal expansion, these ceramic plates ensure long-term reliability in extreme environments.

Key Technical Specifications

✔ Ultra-High Purity (99.5%-99.7% Al₂O₃) – Ensures maximum thermal & electrical performance.

✔ High Thermal Conductivity (30-35 W/m·K) – Efficient heat dissipation for sensors, IC substrates, and power modules.

✔ Excellent Electrical Insulation – Dielectric strength >18 kV/mm for high-voltage applications.

✔ Extreme Temperature Resistance – Stable up to 1650°C with low thermal expansion.

✔ Precision Machining Available – Custom thickness, flatness, and surface finish for sensor integration.

Industry Applications

1. Sensor & Electronics Industry

Sensor Core Substrates – Used in pressure sensors, gas sensors, and MEMS devices due to thermal stability & insulation.

Power Electronics (IGBT/DBC Substrates) – High thermal conductivity prevents overheating in EV inverters & semiconductor modules.

2. High-Temperature & Insulation Components

Furnace & Kiln Components – Withstands 1650°C+ for sintering trays & thermocouple protection.

RF/Microwave Insulation – Low dielectric loss for radar & communication devices.

3. Automotive & Aerospace

Battery Insulation Plates (EVs) – Prevents thermal runaway in lithium-ion battery packs.

Jet Engine Sensor Mounts – Resists extreme thermal cycling & vibration.

4. Medical & Laboratory Equipment

X-Ray Tube Components – High-purity alumina ensures radiation resistance & heat dissipation.

Lab Equipment Insulators – Chemically inert for corrosive environments.

Why Choose Alumina Ceramic Plates?

✅ Optimized for Thermal Management – Best-in-class 30-35 W/m·K conductivity for heat-sensitive applications.

✅ Precision Manufacturing – Laser-cut, lapped, or polished to ±0.01mm tolerance.

✅ Global Supply Chain – Fast lead times for OEMs in USA, EU, Japan, and Korea.

Technical Parameters

Production process

Certifications

Our advantage

● Certificates: ISO & SGS

● OEM & ODM: OEM & ODM service is available

● Strict testing procedures :Meeting the requirements of the product design and process, providing reliable testing data.

● Short Delivery time:If less than 1000 pieces, it only takes around 5 days. We also stock some standard-sized products, if you need urgently, we can delivery very soon.

● Best ex-factory price

● Worldwide customers

● Customized according to needs

● Continuous research and development of new products

● Customer service:If you find some quality problem, please contact us, we’ll deal with it as soon as possible.

Packaging and shipping

Our customers have a wide range of processing choices for transportation mode.

Our Main Products

Company Profie

   Yixing Shengda Refractory Ceramic Co., Ltd, established in 1995, Yixing, China with an area of 4,000 square meters and fixed assets of over 1 million US dollars, is a professional manufacturer of Steatite Ceramic Parts, Alumina Ceramic Parts, Cordierite Ceramic Parts, Ceramic Band Heater Insulators, Ceramic Terminal Block, Thermostat Ceramic Parts, Zirconia Ceramics Parts, Ceramic Heater Plugs, etc. 

    Shengda Ceramic equipped with CAD/CAXA/Solidworks software to provide professional OEM & ODM service.

    Looking forward to co-operating with the customers from all over the world!

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