Product Introduction: High-Performance Mulite Sandwich Sintering Plate for Mn-Zn Ferrite Core Firing
Engineered for Excellence in Critical Sintering Processes
In the precise and demanding field of Mn-Zn ferrite core manufacturing, achieving consistent magnetic properties and high production yield hinges on every component of the sintering process. Our Mulite Sandwich Sintering Plate is a purpose-engineered solution designed to meet the exacting requirements of firing these essential soft magnetic materials. It serves as the critical platform that supports ferrite cores through the high-temperature sintering cycle, directly influencing final product quality, dimensional stability, and production efficiency.
Superior Design and Material Science
Constructed from high-purity mullite, a refractory ceramic renowned for its exceptional thermal stability and chemical inertness, our sintering plates offer unmatched performance. The advanced "sandwich" structure is key to its success. This design incorporates a dense, non-porous surface layer that prevents chemical interaction and contamination of the sensitive Mn-Zn ferrite cores. Beneath this surface, a tailored porous layer provides superior thermal insulation and stress relief, ensuring exceptional temperature uniformity across the entire plate surface during the prolonged and complex heating cycle, which can exceed 170 hours.
Technical data
| Density g/cm3 |
2.5 |
| Apparent porosity |
20% |
| Cold crushing strength |
60 MPA |
| Room temperature flexural strength |
13 MPA |
| Max firing temperature |
1450 ℃ |
| Al2O3 |
72% |
| SiO2 |
27% |
Key Features and Technical Advantages
Optimal Thermal Management: Ensures even heat distribution, which is crucial for uniform grain growth and consistent magnetic properties such as initial permeability and low power loss.
Maximized Kiln Capacity & Efficiency: Designed for high-density stacking, our standard 340mm x 340mm x 12mm plate allows for efficient use of furnace space-3. Its robust construction supports vertical stacking with corundum pillars, enabling the simultaneous firing of thousands of components in a single batch, significantly boosting output.
Enhanced Product Consistency: By minimizing thermal gradients and preventing substrate-induced defects, our plates directly contribute to superior batch-to-batch consistency and a high product qualification rate.
Long Service Life and Durability: Engineered to withstand repeated thermal cycling between room temperature and sintering temperatures exceeding 1300°C, the mullite material offers excellent resistance to thermal shock and mechanical creep, reducing downtime and operational costs.
Applications and Value Proposition
This sintering plate is the ideal choice for firing a wide range of Mn-Zn ferrite cores used in transformers, inductors, filters, and electromagnetic coils. It is compatible with various furnace types, including modern systems utilizing controlled nitrogen atmospheres and advanced hybrid heating methods that combine microwave and conventional electric heating for improved efficiency.
By investing in our Mulite Sandwich Sintering Plate, manufacturers secure a reliable foundation for their production line. It is more than a consumable; it is a tool for achieving higher quality, greater yield, and lower total cost of ownership in the competitive landscape of advanced ceramic and magnetic component production.
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