Luoyang Anjing Intelligence Equipment are a global leader in high-temperature electric furnaces
3C Mobile Phone Ceramic Back Panel | High-Performance Ceramic Phone Cover
PRODUCT PARAMETERS
Description
3C Mobile Phone Exterior Ceramic/Back Panels
With the widespread adoption of ceramic back panels in smartphones and wearable devices, the market demand for defect-free, high-strength phone covers is increasing. Our high-alumina sintering plates and saggers are specifically developed for the high-temperature sintering of precision ceramics such as zirconium oxide (ZrO₂) and alumina (Al₂O₃).
This product provides a stable and pollution-free support environment within the high-temperature kiln, ensuring that the sintered ceramic phone back panel possesses excellent flatness, color consistency, and is free from warping and deformation. This helps smart terminal manufacturers improve yield rates and optimize surface treatment effects from the source.
Product Features
- Excellent High-Temperature Resistance
Using a high-quality, high-alumina raw material formula, it can maintain structural integrity even under long-term extreme high-temperature environments, and its performance is stable and reliable throughout the entire sintering cycle.
- Outstanding Thermal Shock Resistance
Through optimized microstructure and a low coefficient of thermal expansion design, the firing plate and sagger can withstand frequent rapid heating and cooling cycles without cracking or slagging, adapting to continuous production schedules.
- Low Thermal Expansion and Dimensional Stability
Precise material composition ratios effectively reduce the difference in thermal expansion between the ceramic backing plate and zirconia/alumina products, ensuring strictly controlled dimensional tolerances and a flat, non-deformed surface after sintering.
- Excellent High-Temperature Creep Resistance
Even under multi-layer heavy loads at peak temperatures, it resists high-temperature creep deformation, significantly reducing dents and warping, and extending the service life of kiln furniture.
| Project | HR88 | HR90 | Big Plate |
|---|---|---|---|
| Al₂O₃（%） | 88 | 90 | 88.5 |
| SiO₂（%） | 11.5 | 9.5 | 11.2 |
| Fe₂O₃（%） | 0.08 | 0.06 | 0.08 |
| Using temperature（℃） | 1650 | 1650 | 1650 |
| Thermal expansion rate at 1000°C（×10⁻⁶） | 5.6 | 6.0 | 5.5 |
| Flexural strength at 1400°C（MPa） | 13.5 | 16.5 | 16 |
| Show porosity（%） | 15 | 14 | 14 |
| Volume density（g/cm³） | 2.98 | 3.0 | 2.95 |
Applications
High-temperature sintering of fine ceramics, especially suitable for:
- Zirconium oxide (ZrO₂) ceramic backing plates for 3C mobile phones, smartwatches, and wearable devices.
- Alumina (Al₂O₃) ceramic cover plates, structural components, and electronic substrates.
- Suitable for various kiln types, including box furnaces, tunnel kilns, and pusher kilns, with a maximum continuous operating temperature of 1650℃.
Company Profile
A professional enterprise specializing in heat treatment technology services and the R&D, manufacturing, and sales of high-temperature electric furnaces.
The company focuses on developing high-temperature electric furnaces covering a full temperature range of -100℃ to 2600℃. Its products include experimental electric furnaces, vacuum atmosphere furnaces, industrial kilns, and medium-frequency induction heating equipment. Main products include box furnaces, tube furnaces, lifting furnaces, pusher kilns, bogie furnaces, rotary kilns, tunnel kilns, and various specialized medium-frequency furnaces.
The company adheres to technological innovation and has passed ISO9001 and EU CE certifications. It owns 21 registered trademarks, 29 patents, and 27 software copyrights.
Payment Methods
TT
Shipment Methods
The electric furnace is packaged in thThe electric furnace is packaged in three layers: first wrapped in foam paper, then wrapped in plastic film, and finally packed in a wooden crat.
Frequently Asked Questions (FAQ)
- Can the firing plate directly contact the ceramic backing plate?
Yes. Our firing plates have a high surface finish and are chemically inert to zirconia and alumina. We can also provide custom firing plates with positioning grooves or spacers to minimize contact area and prevent material adhesion or surface defects.
- How to prevent warping of the ceramic backing plate after sintering?
Warping is usually caused by uneven support or temperature gradients. Our kiln furniture has good thermal conductivity, which facilitates uniform temperature distribution. We recommend using flat firing plates in conjunction with spaced support structures (such as V-groove plates) to allow the product to shrink freely, thus ensuring excellent flatness.
- What is the maximum operating temperature of the product?
Standard high-alumina kiln furniture can be used continuously at 1650℃, fully covering the sintering temperature range of zirconia (approximately 1450–1550℃) and alumina (approximately 1600℃). For higher temperature requirements, custom-made special materials are available.
- Can you customize the firing plate specifications according to my kiln dimensions?
Absolutely. Our company provides comprehensive customization services. Please provide the internal dimensions of your kiln, load-bearing requirements, and product specifications. Our technical team will design the optimal firing plate and sagger solution tailored to your needs.
