Twill Dutch Weave Mesh Chart

Mesh count	Wire dia, inches		Absolute particle retention, microns	Least particle retention
Warp x weft	Warp x weft		Absolute particle retention, microns	Microns	Inches
250 x 1400	.0022	.0016	11 – 12	4 µ	0.000157 in
200 x 1400	.0028	.0016	11 – 13	5 µ	0.0001968 in
165 x 1400	.0028	.0016	16 – 18	10 µ	0.0003937 in
165 x 800	.0028	.0020	24 – 26	15 µ	0.0005905 in
200 x 600	.0024	.0018	28 – 32	20 µ	0.0007874 in
80 x 700	.0040	.0030	34 – 36	25 µ	0.0009842 in
120 x 600	.0040	.0025	40 – 45	30 µ	0.0011811 in
120 x 400	.0040	.0026	50 – 55	40 µ	0.0015748 in
40 x 560	.0070	.0040	71 – 80	50 µ	0.0019685 in
30 x 360	.0098	.0060	95 – 106	80 µ	0.0031496 in
30 x 250			100 – 112	90 µ	0.0035433 in
20 x 250	.0098	.0079	110 – 120	100 µ	0.0039370 in