PARTICLE SIZE COMPARISON CHART						PARTICLE SIZE COMPARISON CHART
	Measurements				Sieves		Measurements				Sieves
	mm	um     microns	Inches	Mils (.001 in.)	U.S. Sieve No.		mm	um     microns	Inches	Mils (.001 in.)	U.S. Sieve No.
	0.0000	0.0	0.00000	0.00			0.1490	149.0	0.00587	5.87	100
	0.0064	6.4	0.00025	0.25	~3000		0.1600	160.0	0.00630	6.30
	0.0102	10.2	0.00040	0.40	~1800		0.1770	177.0	0.00697	6.97	80
	0.0127	12.7	0.00050	0.50	~1200		0.2000	200.0	0.00787	7.87	70
	0.0191	19.1	0.00075	0.75			0.2500	250.0	0.00984	9.84	60
	0.0203	20.3	0.00080	0.80	~1000		0.2970	297.0	0.01170	11.70	50
	0.0254	25.4	0:00100	1.00	~800		0.3150	315.0	0.01240	12.40
	0.0305	30.5	0.00120	1.20	~700		0.3540	354.0	0.01394	13.94	45
	0.0318	31.8	0.00125	1.25	~600		0.4000	400.0	0.01575	15.75
	0.0381	38.1	0.00150	1.50	400		0.4200	420.0	0.01654	16.54	40
	0.0400	40.0	0.00157	1.57			0.5000	500.0	0.01969	19.69	35
	0.0406	40.6	0.00160	1.60			0.5951	595.1	0.02343	23.43	30
	0.0445	44.5	0.00175	1.75	325		0.6300	630.0	0.02480	24.80
	0.0508	50.8	0.00200	2.00			0.7070	707.0	0.02783	27.83	25
	0.0533	53.3	0.00210	2.10	270		0.8000	800.0	0.03150	31.50
	0.0572	57.2	0.00225	2.25			0.8410	841.0	0.03311	33.11	20
	0.0610	61.0	0.00240	2.40			1.0000	1000.0	0.03937	39.37	18
	0.0635	63.5	0.00250	2.50	230		1.1900	1190.0	0.04685	46.85	16
	0.0699	69.9	0.00275	2.75			1.2500	1250.0	0.04921	49.21
	0.0711	71.1	0.00280	2.80			1.4100	1410.0	0.05551	55.51	14
	0.0737	73.7	0.00290	2.90	200		1.6800	1680.0	0.06614	66.14	12
	0.0762	76.2	0.00300	3.00			2.0000	2000.0	0.07874	78.74	10
	0.0800	80.0	0.00315	3.15			2.3800	2380.0	0.09370	93.70	8
	0.0813	81.3	0.00320	3.20			2.8300	2830.0	0.11142	111.42	7
	0.0826	82.6	0.00325	3.25			3.1500	3150.0	0.12402	124.02
	0.0889	88.9	0.00350	3.50	170		3.3600	3360.0	0.13228	132.28	6
	0.0914	91.4	0.00360	3.60			4.0000	4000.0	0.15748	157.48	5
	0.0953	95.3	0.00375	3.75			4.7600	4760.0	0.18740	187.40	4
	0.1016	101.6	0.00400	4.00			5.0000	5000.0	0.19685	196.85
	0.1050	105.0	0.00413	4.13	140		5.6600	5660.0	0.22283	222.83	3.5
	0.1250	125.0	0.00492	4.92	120		6.6800	6680.0	0.26299	262.99	3
	0.1490	149.0	0.00587	5.87	100		8.0000	8000.0	0.31496	314.96	2.5