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Liquid filtration and filter bag mesh

Roll goods for filter bag makers and process filtration of paints, printing inks, coatings, chemicals and liquids.

25 – 400 µmMost-used ratings

50 · 100 · 125 · 200Popular bag ratings, µm

5 – 20 µmTwill nylon for fine work

Material by medium

PA6 nylon

Alkaline and solvent-based liquids

Paints, printing inks, oils and solvent systems. Excellent abrasion resistance, so bags last through repeated cleaning.

PET polyester

Acidic and aqueous liquids

Acid process streams and water-based media. Low moisture uptake keeps the mesh flat and dimensionally stable.

Nylon filter mesh: popular constructions

Mesh/inch	Thread µm	Opening µm	Weave	Widths cm
41	200	425	Plain	127, 258, 335
43	180	408	Plain	127, 258
41	250	375	Plain	127, 258, 335
51	150	350	Plain	127, 258, 300
56	150	305	Plain	127, 258
51	200	300	Plain	127, 258, 335
61	150	267	Plain	127, 258
71	120	237	Plain	127, 258
76	120	213	Plain	127, 258
81	100	213	Plain	127, 258, 300, 335
91	100	178	Plain	127, 258
109	80	153	Plain	127, 258
102	100	150	Plain	127, 258, 300, 335
122	80	128	Plain	127, 258, 335
142	60	119	Plain	127, 258
163	60	96	Plain	127, 258, 300
183	50	89	Plain	127, 258, 330
203	50	75	Plain	127, 258, 330
254	43	57	Plain	127, 258, 300
279	43	48	Plain	127, 258
330	35	42	Plain	127, 300
305	43	40	Plain	127, 258, 300
356	35	37	Plain	127
399	43	25	Twill	115, 235
457	39	20	Twill	115, 235
508	39	15	Twill	115, 235
559	39	10	Twill	115, 235
610	39	5 (+3 / -0)	Twill	115, 235

Openings are catalogue values. Plain weave unless marked twill. Widths in cm; roll length 25 – 70 m. Other widths on request.

Polyester filter mesh: popular constructions

Spec (T-thread)	Mesh/inch	Thread µm	Nominal opening µm	Open area %	Colour
20-100	51	100	400	64.0	White
24-100	61	100	317	57.8	White
24-120	61	120	297	50.7	White / Black
28-100	71	100	257	51.8	White
32-80	81	80	232	55.4	White
32-100	81	100	212	46.2	White
39-55	99	55	201	61.7	White
39-64	99	64	192	56.3	White
36-90	91	90	188	45.7	White
43-55	109	55	178	58.3	White
47-55	119	55	158	55.0	White / Yellow
43-80	109	80	153	43.0	White / Yellow
48-70	122	70	138	44.1	White
53-55	135	55	134	50.2	White
53-64	135	64	125	43.7	White / Yellow
55-64	140	64	118	42.0	White / Yellow
59-55	150	55	114	45.6	White
64-55	163	55	101	42.0	White / Yellow
72-48	183	48	91	42.8	White / Yellow
80-48	203	48	77	37.9	White / Yellow
77-55	196	55	75	33.2	White / Yellow
90-48	229	48	63	32.3	White / Yellow
100-40	254	40	60	36.0	White / Yellow
120-34	305	34	49	35.0	White / Yellow

Nominal opening and open area calculated from thread count and diameter. Full range of more than 100 polyester constructions available. Use the Aperture Finder to search all of them.

Polyester mesh 24T-100 under the microscope with scale — 24T-100 · 61 mesh · 317 µm

Polyester mesh 43T-80 under the microscope with scale — 43T-80 · 109 mesh · 153 µm

Polyester mesh 48T-70 under the microscope with scale — 48T-70 · 122 mesh · 138 µm

Polyester mesh 100T-40 under the microscope with scale — 100T-40 · 254 mesh · 60 µm

Supply options

Rolls in standard widths; 50 m rolls standard, other lengths on request.
Slit strips for seam tape and narrow filters, for example 140 mm × 400 m on cores.
Cut pieces to drawing, for example 1270 × 1005 mm sheets.

White nylon mesh rolls packed with MAISHI labels — Rolls packed in film with spec labels

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Send the aperture, material and width. We reply with a recommendation, price and lead time.

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