A sintered mesh filter is a type of metal sintered filter that is made by stacking multiple layers of woven metal wire mesh together and sintering them under high temperature and pressure. This sintering process creates permanent bonds at the intersections of the metal wires, ultimately forming a robust, porous metal structure. Sintered mesh filter elements have a uniform and stable pore structure and can withstand extreme temperatures, pressures, and corrosive environments.
Sintered filter elements are widely used in industries such as petrochemicals, pharmaceuticals, hydraulic systems, and aerospace for critical filtration, separation, and fluidization operations.
| Material | 304/316(L) Stainless steel |
| Filtration rate | 2~100 μm |
| Porosity | Usually between 35% and 50% |
| Dimension | Standard diameters and lengths can be customized |
| Operating temperature | Depending on the material, they can operate continuously from cryogenic temperatures up to 800°C (1472°F). |
| Pressure differential | High pressure |
This is the standard specification of the sintered mesh filter. We can also provide the customized sintered filter. Contact us to get the price.

Sintered mesh filters offer a range of significant advantages:
Choosing between sintered mesh fi and traditional metal mesh filter depends on the application requirements. Here’s a detailed comparison:
| Feature | Sintered Mesh Filter | Traditional Woven Mesh Filter |
|---|---|---|
| Structure | Monolithic, diffusion-bonded layers. | Layered or spot-welded wires. |
| Pore Stability | Fixed, rigid pores; unaffected by pressure or cleaning. | Pores can shift or deform under stress. |
| Strength & Durability | Very high; handles high pressure, shock, and fatigue. | Moderate; delicate finer meshes, requires support. |
| Cleanability | Excellent; withstands backwash, ultrasonic, and chemical cleaning (reusable). | Limited; prone to damage during aggressive cleaning. |
| Performance | Precise, depth filtration with consistent rating. | Surface straining; less consistent for fine ratings. |
| Lifetime Value | Higher total value due to long life and reusability. | Lower initial cost, but may require frequent replacement. |

Q1: How does a sintered mesh filter work?
A1: It acts as a rigid, porous metal barrier. Fluid flows through its interconnected pores, trapping particles larger than its rated pore size. Its bonded structure ensures stable performance and allows for effective cleaning and reuse.
Q2: What are the different types of sintered metal filters?
A2: The main type is sintered woven wire mesh. Other varieties include sintered metal powder and sintered metal fiber filters. They are commonly made from stainless steel or specialized alloys and formed into shapes like discs, cartridges, or custom elements.
Q3: How is the pore size determined?
A3: Pore size is engineered during manufacturing by selecting specific wire diameters, mesh counts, and layer sequences. The final rating is verified through standard tests like the Bubble Point Test.
Q4. How is the sintered filter manufactured?
A4: Multiple wire mesh layers are stacked and then fused together in a high-temperature furnace via diffusion bonding. This creates a single, rigid piece, which is then formed, welded, finished, and rigorously tested.