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Mesh Count & Aperture: Geometry & Engineering Guide
Mesh count (N), aperture size (w), wire diameter (d), and open area (A₀) govern the hydrodynamic throughput, filtration cutoff precision, and mechanical burst strength of industrial woven wire cloth. MutualFilter supplies precision stainless steel square and Dutch weave screens across 1 to 635 mesh counts (1 µm to 25 mm aperture ratings) compliant with ISO 9044 and ASTM E2016 tolerances.
Mill test certificates and calibrated optical aperture inspection documentation accompany every production batch from Anping, China.
Woven wire mesh geometry and fundamental equations
The mathematical relationships between mesh count, aperture size, wire diameter, and open area govern hydraulic capacity, particle retention, and mechanical stability in B2B filtration systems.
The aperture size defines the actual physical space through which media or particles pass. It is the primary parameter for calculating particle separation capability in liquid and gas filtration.
Engineering Considerations
- Determines exact particle cutoff threshold
- Measured using optical comparator per ISO 9044
- Critical parameter for precise slurry classification
International Manufacturing Standards
MutualFilter products adhere strictly to global dimensional tolerances and inspection guidelines.
Defines manufacturing tolerances, weave quality, wire diameters, and aperture limits.
Read Standard DetailsGlobal standard for aperture testing, roll dimensions, and statistical inspection rules.
Read Standard DetailsCombination rules for mesh count and wire diameter selections for industrial applications.
Read Standard DetailsNeed custom mesh calculations or specific wire tolerances?
Our application engineers verify aperture precision, open area ratios, and differential pressure limits for demanding polymer extrusion and chemical process filtration.
Wire Mesh Aperture & Mesh Count Reference Table
Technical dimensions, nominal micron ratings, wire diameters, and open area calculations for precision industrial stainless steel woven wire mesh. Select custom weaves or search by target micron size.
| Mesh Count | Weave Type | Wire Dia. (mm) | Nominal Aperture | Open Area % | Standard Grades | Typical Application | Action |
|---|---|---|---|---|---|---|---|
| 10 x 10 | Plain | 0.800 mm | 1.740 mm (1740 µm) | 46.9% | 304316L | Coarse pre-filtration & architectural screening | Quote |
| 20 x 20 | Plain | 0.400 mm | 0.870 mm (870 µm) | 46.9% | 304316L310S | Industrial straining & catalyst support | Quote |
| 40 x 40 | Plain | 0.250 mm | 0.385 mm (385 µm) | 36.8% | 304316L904L | Chemical liquid filtration & extruder screen packs | Quote |
| 60 x 60 | Plain | 0.190 mm | 0.233 mm (233 µm) | 30.3% | 304316L | Hydraulic oil straining & polymer recovery | Quote |
| 80 x 80 | Plain | 0.140 mm | 0.178 mm (178 µm) | 31.4% | 304316LHastelloy C-276 | Fine chemical filtration & water treatment | Quote |
| 100 x 100 | Plain | 0.100 mm | 0.154 mm (154 µm) | 36.8% | 304316L | Precision liquid classification & fuel filters | Quote |
| 150 x 150 | Plain | 0.063 mm | 0.106 mm (106 µm) | 39.3% | 316L310S | Pharmaceutical powder sieving & gas liquid separation | Quote |
| 200 x 200 | Plain | 0.050 mm | 77 µm | 36.8% | 316L904L | Polymer melt filtration & aerospace hydraulic mesh | Quote |
| 325 x 325 | Twilled | 0.035 mm | 43 µm | 30.5% | 316L | Ultra-fine liquid straining & fine pigment recovery | Quote |
| 400 x 400 | Twilled | 0.030 mm | 34 µm | 28.2% | 316L | High-precision electronic paste filtration & lab sieves | Quote |
| 24 x 110 | Plain Dutch | 0.350 mm | 80 µm | 24.0% | 316L304 | High-pressure rigid filter elements & centrifuge screens | Quote |
| 165 x 1400 | Twill Dutch | 0.070 mm | 16 µm | 18.5% | 316L | Sub-micron polymer filtration & aerospace fuel elements | Quote |
Need a non-standard wire diameter, custom alloy, or slit screen pack?
MutualFilter provides precision wire mesh fabrication including sintered multi-layer mesh, calendered mesh, screen discs, custom rolls, and specialty alloys (Inconel, Monel, Titanium).
Wire Mesh Aperture & Open Area Calculator
Calculate precise aperture size, micron ratings, open surface area, and estimated unit weight according to ASTM E2016 and ISO 9044 B2B wire mesh manufacturing standards.
Need Specific Mesh Count, Wire Diameter, or Aperture Sizing?
Collaborate directly with our technical team to verify aperture tolerances, open area ratios, or custom slit roll dimensions to your application requirements.