Comparative Chart for Standard Sieves used in a Refractory Testing Laboratory

16-Feb-2009

There are three - four types of standard sieves any one of which can be followed for refractory testing or for making refractory formulation. Various standards are such as - American (Tyler), British Standard (BS), Indian Standard (IS) etc., a comparative chart is presented in the following table:    

Indian (IS)		American (Tyler)		British (BS)
Mesh No	Aperture (mm)	Mesh No	Aperture (mm)	Mesh No		Aperture (mm)
570	5.5	3½
480	4.8	4
340	3.353	6	3.327	5	3.353
240	2.399	8	2.362	7	2.411
160	1.60	10	1.651	10	1.676
120	1.201	14	1.168	14	1.204
100	1.00	16	0.991	16	1.003
85	0.842	20	0.833	18	0.853
70	0.708	24	0.701	22	0.699
60	0.592	28	0.589	25	0.599
50	0.500	32	0.495	30	0.500
40	0.420	35	0.417	36	0.422
30	0.296	48	0.295	52	0.295
20	0.211	65	0.208	72	0.211
15	0.149	100	0.147	100	0.152
10	0.104	150	0.104	150	0.104
8	0.075	200	0.074	200	0.076
5	0.053	270	0.053	300	0.053
4	0.040	325	0.040