1.2 Classification and Grade Standards
According to different production processes and application requirements, porous SiC ceramic atomizing cores are mainly divided into two categories:high-temperature sintered type and customized pore-forming type.
The high-temperature sintered type is formed by ultra-high temperature sintering at 1800–2100℃, with stable pore structure and strong adaptability to conventional atomization scenarios. The customized pore-forming type can adjust pore size and porosity accurately according to product demands, meeting high-precision and ultra-fine atomization requirements.
High-end grade porous SiC atomizing cores strictly comply with FDA and EU RoHS safety regulations, with ultra-low impurity content, no harmful substance precipitation, and fully meet global civilian atomization and consumer electronic safety standards. With outstanding comprehensive performance that cannot be replaced by traditional materials, it has become the mainstream core component of the global high-end atomization industry.
2. Core Characteristics of Porous SiC Ceramic Atomizing Core
2.1 Physical Structure Characteristics
The core physical advantages of porous SiC ceramic atomizing core come from its unique three-dimensional interconnected microporous structure and high-purity ceramic matrix.
Its porosity reaches 55%–70%, with uniform and penetrating internal pores, deliveringstrong liquid storage and continuous liquid supply capacity. The integral sintered structure effectively avoids pore blockage and liquid channeling problems. Benefiting from reasonable porosity design, it balances liquid conduction efficiency and structural rigidity perfectly, ensuring long-term stable liquid supply without interruption during continuous atomization.
In terms of atomization accuracy, the product supports precise pore size of 5–50 μm, which can realize ultra-fine atomization effect, with minimum atomized particle size down to 0.5 μm. The atomized aerosol is uniform and delicate without coarse particle splashing, far exceeding the atomization precision of traditional cotton, fiber and common porous ceramic cores.
2.2 Mechanical Properties
Porous SiC ceramic atomizing core possesses excellent mechanical strength and structural durability. It has high overall structural strength with compressive strength ≥35MPa. The integral high-temperature sintered structure features crack resistance, impact resistance and compression resistance, which is not easy to crack or deform during assembly and long-term use.
Compared with traditional porous materials with brittle texture and easy powder falling, this product has stable structural toughness, no powder shedding, no structural damage under high-frequency working conditions, and greatly extends the service life of atomization equipment.
2.3 Chemical Properties
The main component of high-quality porous ceramic atomizing core is high-purity Porous SiC with content up to 92%–99%, with extremely few trace impurities. It has excellent chemical inertness and corrosion resistance, and is not prone to chemical reaction with various atomized liquids, essences and solvents.
The material is completely non-toxic and harmless, with no precipitation of heavy metals and harmful substances. It can stably adapt to various weak acid and weak base liquid environments, avoiding deterioration, discoloration and performance attenuation caused by chemical corrosion, and ensuring the safety and stability of long-term use.
2.4 Thermal Performance
Porous SiC ceramic atomizing core has ultra-high temperature resistance and excellent thermal stability. It is sintered at ultra-high temperature of 1800–2100℃, and can work stably for a long time at temperature ≤800℃. The material features low thermal expansion coefficient, uniform heat conduction and fast thermal response speed.
It has outstanding anti-scorch and anti-carbon deposition performance, no local overheating, burning or carbon accumulation under high-power and long-time working conditions. The stable thermal performance ensures consistent atomization effect in the whole service cycle and avoids atomization failure caused by thermal failure of the core.
3. Core Advantages of Porous SiC Ceramic Atomizing Core
3.1 Ultra-high Precision and Stable Atomization Performance
Relying on precise graded microporous structure and stable liquid supply capacity, the product realizes ultra-fine and uniform atomization. The 0.5μm ultra-fine atomized particles make the aerosol more delicate and diffusive, effectively improving atomization taste and use experience. Different from traditional consumable atomizing cores with fast attenuation, its atomization state remains stable in the whole life cycle, with almost no performance decay.
3.2 High Temperature Resistance and Anti-Aging Durability
Benefiting from excellent high-temperature resistance and thermal stability, the core can adapt to high-temperature rapid heating atomization mode. It effectively resists high-temperature scorching and carbon deposition problems that are common in traditional atomizing cores, greatly reducing product failure rate. With strong anti-aging performance, it can maintain stable physical and chemical properties after long-term high-frequency use.
3.3 Safe, Environmentally Friendly and High Compatibility
The material features high temperature resistance, corrosion resistance, chemical inertness and non-toxicity. It complies with international food and environmental safety standards, with no secondary pollution in the use process. It has high compatibility with various atomized liquids, essences and functional solutions, no chemical reaction or flavor interference, which can perfectly retain the original flavor and functional characteristics of raw materials.
3.4 Low Maintenance Cost and High Cost Performance
As a high-performance reusable ceramic core, it has a long service life and low loss rate, replacing traditional disposable consumable materials. Although the single-piece cost is slightly higher, the overall use cost is significantly reduced. Its stable performance avoids frequent replacement and equipment maintenance, which greatly improves the operational efficiency of atomization equipment.
4. Industry-Specific Applications of Porous SiC Ceramic Atomizing Core
The atomization industry is the core application field of porous SiC ceramic atomizing core, accounting for over 75% of global market consumption. Relying on its superior comprehensive performance, the product covers multiple high-precision atomization segmentation fields.
4.1 Consumer Electronic Atomization Industry
It is the mainstream core component of high-end civilian atomization equipment. With stable liquid supply, uniform heating and ultra-fine atomization characteristics, it effectively optimizes atomization experience, reduces harmful precipitation, and meets the high-standard safety and use requirements of consumer electronic products.
4.2 Fine Humidification and Fragrance Diffusion Industry
Applied in high-end household humidifiers, aromatherapy machines and fragrance diffusion equipment. The 0.5μm ultra-fine atomized particles can make water mist and fragrance molecules diffuse evenly, avoid water droplet condensation, and realize silent and uniform fine humidification and fragrance diffusion.
4.3 Medical and Health Atomization Industry
With non-toxic, sterile and stable chemical properties, it is suitable for medical fine atomization and health care nebulizer equipment. It can realize uniform atomization of medicinal liquid, improve drug diffusion and absorption efficiency, and meet the strict safety standards of medical and health equipment.
4.4 Industrial Fine Spraying Industry
Used for industrial fine spraying, dust reduction and purification atomization scenarios. Its high-precision filtration and atomization performance can form uniform fine mist, effectively improve industrial spraying efficiency and environmental dust reduction effect, with stable and reliable long-term operation.
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