Dutch Weave Wire Mesh

Dutch Weave Metal Wire Mesh

For Polymer Processing and Industrial Filtration

Representative Dutch weave stainless steel mesh sheets.

Engineered for Fine Filtration

Plain Dutch | Twilled Dutch | Reverse Dutch

Technical Selection

Match the weave, material and filtration rating to the complete filter assembly and process duty. The range includes four weave families and 51 catalogue entries.

Weave Structure and Filtration

Understanding Dutch Weave Mesh

Dutch weave uses unequal wire counts and, typically, unequal wire diameters in the two directions. The densely interlaced wires form filtration passages at their junctions.

Plain Dutch and twilled Dutch weave structures, showing interlacing and cross sections — Plain Dutch Weave (left) and Twilled Dutch Weave (right).

Plain Dutch (PDW)

Interlacing: 1 over / 1 under
Typical Wire Arrangement: Fewer, thicker warp wires; many fine weft wires.

Twilled Dutch (DTW)

Interlacing: 2 over / 2 under
Typical Wire Arrangement: Thick warp and closely packed fine weft; diagonal pattern.

Reverse Plain (RPDW)

Interlacing: 1 over / 1 under
Typical Wire Arrangement: Many fine warp wires; fewer, thicker weft wires.

Reverse Twilled (RDTW)

Interlacing: 2 over / 2 under
Typical Wire Arrangement: Reverse wire arrangement with a twilled interlacing.

Construction descriptions checked against independent mesh manufacturers. Warp runs along the woven length; weft runs across it.

Specify the Rating Basis

Mesh count alone does not define Dutch weave filtration. A square mesh aperture calculation cannot represent its three dimensional passages. Specify the filtration rating, its test method and the required retention performance.

Table convention: mesh counts per inch; wire diameters in mm; nominal filtration in µm. These units are interpreted from standard catalogue convention and require confirmation against the supplied filter specification. Confirm units and the rating basis in the final order.

Mesh Close Ups

Close view of Dutch weave metal mesh, example 1 — Weave Close Up 1.

Close view of Dutch weave metal mesh, example 2 — Weave Close Up 2.

Plain Dutch Weave

Specifications: SUS304. Twelve published combinations; nominal filtration values span 32 to 211 µm.

Mesh Count / Inch Warp × Weft	Wire Ø (mm) Warp × Weft	Material	Nominal Filtration (µm)
12 × 64	0.6 × 0.4	SUS304	211
12 × 76	0.45 × 0.355	SUS304	192
24 × 110	0.35 × 0.25	SUS304	97
25 × 140	0.28 × 0.2	SUS304	100
30 × 150	0.23 × 0.17	SUS304	82
40 × 200	0.18 × 0.14	SUS304	63
40 × 350	0.22 × 0.08	SUS304	75
50 × 250	0.14 × 0.11	SUS304	50
60 × 300	0.14 × 0.09	SUS304	41
60 × 500	0.14 × 0.06	SUS304	51
70 × 350	0.11 × 0.08	SUS304	35
80 × 400	0.12 × 0.07	SUS304	32

Replacement Mesh Review

Provide both mesh counts, both wire diameters, the weave type and material. Link the specification to a filter drawing or a verified sample so that the support and sealing interfaces can also be reviewed.

Twilled Dutch Weave

Specifications: SUS304 / SUS316L. Twenty one published combinations; nominal filtration values span 3 to 89 µm.

Mesh Count / Inch Warp × Weft	Wire Ø (mm) Warp × Weft	Material	Nominal Filtration (µm)
30 × 340	0.28 × 0.16	SUS304	89
30 × 250	0.28 × 0.2	SUS304	77
40 × 560	0.18 × 0.1	SUS304	70
40 × 430	0.18 × 0.125	SUS304	63
50 × 600	0.125 × 0.09	SUS304	51
50 × 500	0.14 × 0.11	SUS304	47
65 × 600	0.14 × 0.09	SUS304	36
80 × 700	0.11 × 0.08	SUS304	28
80 × 800	0.11 × 0.07	SUS304	30
90 × 780	0.1 × 0.07	SUS304	24
100 × 800	0.1 × 0.07	SUS304	20
100 × 900	0.1 × 0.063	SUS304	22
165 × 800	0.07 × 0.05	SUS304	19
200 × 600	0.07 × 0.045	SUS304	22
120 × 1100	0.07 × 0.05	SUS304	17
165 × 1400	0.07 × 0.04	SUS304	13
200 × 1400	0.07 × 0.04	SUS316L	11
200 × 1800	0.05 × 0.03	SUS316L	10
270 × 2000	0.04 × 0.028	SUS316L	8
325 × 2300	0.035 × 0.024	SUS316L	5
400 × 2800	0.03 × 0.018	SUS316L	3

Published nominal ratings are selection references. They do not establish a guaranteed maximum pore size or retention efficiency without an agreed test basis.

Reverse Dutch Weave

Plain and Twilled Catalogue Specifications

Reverse constructions generally use a higher count of finer warp wires. All entries below are listed as SUS304.

Reverse Plain Dutch Weave

Mesh Count / Inch Warp × Weft	Wire Ø (mm) Warp × Weft	Material	Nominal Filtration (µm)
130 × 30	0.2 × 0.45	SUS304	100
130 × 35	0.2 × 0.4	SUS304	80
175 × 50	0.15 × 0.3	SUS304	60
290 × 60	0.09 × 0.23	SUS304	51
290 × 74	0.09 × 0.2	SUS304	40
625 × 105	0.042 × 0.14	SUS304	25
630 × 134	0.04 × 0.13	SUS304	17
720 × 150	0.035 × 0.11	SUS304	14

Reverse Twilled Dutch Weave

Mesh Count / Inch Warp × Weft	Wire Ø (mm) Warp × Weft	Material	Nominal Filtration (µm)
48 × 10	0.5 × 0.5	SUS304	400
72 × 15	0.45 × 0.5	SUS304	300
132 × 16	0.35 × 0.45	SUS304	250
132 × 18	0.35 × 0.45	SUS304	200
152 × 24	0.31 × 0.35	SUS304	165
160 × 25	0.31 × 0.4	SUS304	150
228 × 36	0.19 × 0.28	SUS304	100
260 × 40	0.15 × 0.22	SUS304	125
325 × 39	0.15 × 0.3	SUS304	55
400 × 120	0.065 × 0.1	SUS304	60

Application and Technical Selection

Define the Complete Filtration Duty

Applications

Applications include spin pack screens, pleated and cylindrical candle filters, screen packs and leaf discs as application products. Reverse Dutch weaves are also used in filter belts and continuous polymer filtration.

Material

The published range lists SUS304, SUS316, copper, nickel and titanium; selected fine twill entries specify SUS316L. Confirm the exact alloy for the chosen construction.

Process Duty

Provide polymer or fluid grade, throughput, viscosity at operating temperature, pressure and allowable differential pressure. Include the contamination concern and required product quality.

Mechanical Support

Show the complete layer stack, support mesh, filter dimensions, edges and sealing arrangement. For belts, state the travel direction, width, tension and equipment reference.

Cleaning and Supply

State cleaning chemicals and temperature, reuse or replacement cycle, current service history, material documentation, traceability and expected consumption.

Agree the Validation Method

Glass bead testing characterises the particles that can pass through a sample. Bubble point testing uses a wetted mesh and gas pressure to assess an equivalent maximum pore size. Agree the method, acceptance limits and test conditions before comparing ratings.

Practical Trial. Compare pressure loss, run duration and downstream quality at matched process conditions. Record the inspection results and any change to the filter support or cleaning method.

Polymer Filtration

Filter media selected for melt conditions and the required particle retention.

Material Selection

Match media construction to temperature, pressure and polymer compatibility.

Technical Support

Discuss filtration area, throughput and pressure drop for the application.