Key Characteristics & Superior Advantages
This material takes the benefits of standard sintered ceramic and elevates them:
Exceptional Chemical Inertness:
Benefit: Alumina ceramic is completely non-toxic and will not react with fresh water, salt water, or any additives (medicines, fertilizers). It is far more resistant to chemical degradation than standard ceramics or resins. This makes it ideal for sensitive applications and long-term use.
Extreme Hardness and Durability:
Benefit: Alumina is second only to diamonds in hardness on the Mohs scale. It is virtually impossible to crush by hand and is highly resistant to abrasion. It will maintain its structural integrity indefinitely.
Optimized Microporous Structure:
Benefit: The "microporous" nature means the pore size is controlled to be extremely small and uniform. This produces an incredibly dense and fine mist of bubbles, leading to maximum possible oxygen transfer efficiency (OTE). The performance is superior to any standard air stone.
Low Pressure Drop (When Clean):
Benefit: A well-designed microporous structure can achieve fine bubbles without requiring excessively high air pressure from the pump, making it energy-efficient.
Thermal Stability:
Benefit: It can withstand very high temperatures, making sterilization by boiling or even in an autoclave perfectly safe without damaging the material.
- (1)High porosity and uniform pore size enable low resistance for both gas and liquid flow through applications,Good rigidity and dimensional stability.Ceramic material has a high hardness (Mohs hardness ≥8), can withstand high temperatures (up to over 500°C), and is resistant to various acid and alkali corrosions. It has a long service life, which is 3 to 5 times that of traditional suction cups.
- (2)Excellent chemical resistance in both acid and alkaline conditions,Low resistance for both gas and liquid flow through application.The micron-level porous structure ensures uniform suction distribution. Even if the workpiece surface has slight unevenness, it can still firmly adhere. It is particularly suitable for ultra-thin and fragile materials such as glass and silicon wafers.
- (3)Uniform pore sizes and high surface areas,Good acid and alkali resistance.The surface is smooth and not prone to material adhesion or clogging, significantly reducing the frequency of cleaning and shutdown maintenance, and lowering operating costs
Technical Parameters Table
Property |
Unit |
Porous Ceramic |
Color |
|
White |
Al2O3 |
wt-% |
≥80 |
SiO3 |
wt-% |
16-18 |
Density |
g/cm3 |
2.3-2.5 |
Porosity |
% |
40 |
Aperture Size |
µm |
15/30/50/100 |
Compressive Strength |
MPa |
≥600 |
Flexural Strength |
MPa |
≥400 |
Working Pressure |
MPa |
≤10 |
Hardness(HRA) |
HRA |
≥ 50 |
Acid Resistance |
mg/cm² |
≤ 10.0 |
Alkali Resistance |
mg/cm² |
≤ 2 |
| OEM ODM |
Yes |
| Material |
Aluminum alloy, stainless steel, ceramics, etc |
| Size range |
Φ/5-800mm |
| Micropore size |
1-700μm |
| Uniformity of air permeability |
10×10mm |
| Porosity |
30-40% |
| Pressure difference within the region |
±3Kpa |


Application Scenarios
- Chip packaging: Fixed chip substrates and ceramic substrates, suitable for the high-speed transfer and positioning requirements of automated production lines
- Optical lens processing: Adsorb quartz glass and optical lenses, used in polishing, coating and other processes to prevent lens deformation or contamination
- Mold polishing: Fix the high-precision mold cavity to ensure positional stability during the polishing process and enhance surface finish.
- Display manufacturing: Fixing OLED and LCD glass substrates to meet the requirements of non-destructive handling and processing of ultra-thin substrates。
- Silicon wafer/wafer processing: During photolithography, cutting, grinding and other processes, precisely adsorb 2-12 inch silicon wafers to prevent surface scratches and ensure processing accuracy.
- Medical devices: used for the manufacturing and testing of microfluidic chips, biochips and precision ceramic components.
- Battery manufacturing: It is used for the precise handling and processing of lithium battery electrode sheets, solid electrolytes and fuel cell bipolar plates.
- PCB/FPC: It provides reliable vacuum adsorption during SMT assembly, AOI inspection, laser drilling and panel separation
- Aerospace and national Defense: It plays a role in the ultra-precision manufacturing of avionics, inertial devices and guidance components.
Primary Applications
While it can be used in any high-end aquarium, its properties make it particularly suited for demanding environments:
- Industrial Aquaculture and Hatcheries: Where maximizing survival rates and growth by maintaining peak dissolved oxygen is an economic necessity.
- High-Value & Sensitive Livestock: Used in systems for delicate species (e.g., prize-winning koi, rare discus, or saltwater specimens) where water quality must be perfect.
- Advanced Protein Skimmers (Saltwater): The gold standard for skimmer air diffusers. The fine, consistent bubbles drastically improve skimmer efficiency and waste removal.
- Commercial Hydroponics & Aquaponics: For oxygenating nutrient solutions to promote maximum root health and plant growth.
- Laboratory and Pharmaceutical Settings: Where material purity, chemical inertness, and sterilizability are mandatory.

