Views: 0 Author: Site Editor Publish Time: 2026-04-29 Origin: Site
China stainless steel Dutch weave wire mesh is a specialized filtration medium that differs significantly from standard plain weave mesh. In Dutch weave, thick warp wires are combined with much finer, densely packed weft wires. This creates a tortuous particle capture path rather than straight square openings, enabling high‑precision filtration. This article explains the structure, micron ratings, applications, and selection of Dutch weave mesh produced in China.
Dutch weave is classified into two main types:
Plain Dutch weave (PDW) – Warp wires pass over and under each weft wire, similar to plain weave, but weft wires are very tightly spaced.
Twilled Dutch weave (TDW) – Warp wires pass over two weft wires and under two weft wires, creating a diagonal pattern that allows even higher weft density.
The key characteristic of china stainless steel Dutch weave wire mesh is that there is no measurable “square opening”; instead, filtration occurs through the narrow gaps between the fine weft wires. This yields an absolute micron rating — meaning the mesh will retain a high percentage (typically >98%) of particles larger than the rated size.
| Weave type | Mesh count (warp × weft) | Wire diameter (warp/weft, mm) | Absolute micron rating | Open area (%) |
|---|---|---|---|---|
| Plain Dutch | 24 × 110 | 0.35 / 0.20 | 100 – 120 | 28 |
| Plain Dutch | 50 × 250 | 0.23 / 0.13 | 40 – 50 | 22 |
| Twilled Dutch | 80 × 700 | 0.15 / 0.08 | 20 – 25 | 18 |
| Twilled Dutch | 165 × 1400 | 0.10 / 0.05 | 10 – 12 | 15 |
| Twilled Dutch | 200 × 2800 | 0.08 / 0.04 | 5 – 7 | 12 |
Note: Values are typical; actual ratings depend on exact wire diameters and weaving tension.
Producers of china stainless steel Dutch weave wire mesh implement rigorous quality control to ensure consistent micron ratings:
Wire diameter tolerance – Typically within ±0.002 mm for fine weft wires.
Weft density check – Number of weft wires per centimeter is measured at multiple points.
Bubble point test – Performed according to ISO 4003 to determine absolute pore size.
Pressure drop measurement – Ensures the mesh meets flow requirements.
Chemical filtration – Removing catalyst fines and solid impurities from aggressive chemical streams.
Oil and gas – Filtering hydraulic fluids, fuels, and lubricants to protect precision equipment.
Pharmaceutical – Clarifying active ingredients and solvents where absolute retention is required.
Polymer processing – Extrusion screen packs for removing gels and contaminants from polymer melts.
Water treatment – Fine polishing of industrial wastewater and reverse osmosis pre‑filtration.
One nuance often overlooked is the difference between nominal and absolute micron rating. Nominal means the mesh will retain most particles of that size, but some may pass. Absolute (derived from bubble point) guarantees retention of virtually all particles larger than the rated size. For critical applications like hydraulic system protection, always insist on an absolute rating.
Another insight: Twilled Dutch weave typically offers a higher flow rate for the same micron rating compared to Plain Dutch weave, because the diagonal path reduces resistance. However, Plain Dutch weave is easier to clean by backwashing.
Q1: Can Dutch weave mesh be used for gas filtration?
A: Yes. It is commonly used for removing particulates from compressed air, natural gas, and process gases. The high mechanical strength prevents blow‑out under pressure surges.
Q2: How do I clean Dutch weave mesh?
A: Methods include backflushing with clean fluid, ultrasonic cleaning, or soaking in a mild chemical solution (compatible with stainless steel). Avoid high‑pressure water jets that can distort fine weft wires.
Q3: Is Dutch weave mesh reusable?
A: Yes. Unlike disposable filter media, stainless steel Dutch weave can be cleaned and reused many times, offering a lower total cost of ownership over its lifetime.
Q4: What stainless steel grade is best for Dutch weave?
A: 304 is sufficient for many applications. For exposure to chlorides (seawater, bleach, some acids) or high temperatures, 316 or 316L is recommended.
China stainless steel Dutch weave wire mesh provides reliable absolute‑rated filtration for demanding industrial processes. Its unique weave construction balances fine particle retention with structural strength. When sourcing, request bubble point test certificates to verify micron rating. Anping Milesen Metal Net Products Co., Ltd. supplies Dutch weave mesh in various grades and specifications with full technical documentation.
