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Particle Size Conversion Table^ i. Page 1 of 1 <br /> LOgm Register My Pmflle <br /> SIGMA-ALORICHfe <br /> Home Products order Center Custom Products Support 11SO5 FM gnvancea Search <br /> Chemistry>Stocl000m Reagens>Leammg Center>Lab Basics Technical Library>PaNtle Slam Coswaslon <br /> (�rALCINICN Chemicals-Technical Library <br /> Particle Size Conversion <br /> chermstry Products <br /> Chemical BynMeds Sieve Designation Nominal Sieve Opening <br /> Chematry Semites Standard Mesh inches mm Microns <br /> Gus,Gscovay <br /> Gree 25,4 mm 1 In. 1.00 25A 25400 <br /> Sdvmm Carter <br /> fives 22.8 mm 1/8 in. 0.875 22.8 22800 <br /> Stable isotopes, 19.0 mm 3/4 In. 0.7W 19.0 191000 <br /> Stocloso I Reagents 160 mm 58 in. 0.825 16.0 18000 <br /> Chtmlcal products 135mm 0.630 N. 0.530 13.5 13500 <br /> Leaning Canter <br /> Packa,;lN specifications 12.]mm 1R in. 0.500 12.7 12700 <br /> proud Guide Rattail 11.2 mm 71161n. 0.438 112 1121 <br /> Lab Basics Technics, 9.51 no. 3r8 In. 0.375 &51 %to <br /> library 8.00. Winn. 0.312 &W 6000 <br /> concentrations of 5.73 mm 0265 in. 0.265 &73 6130 <br /> Peri,"siva ries <br /> coniae8.35 mm M <br /> 1/4 . 0.2W 6.35 6350 <br /> Conversion 5.68 mm 14.3 IQ 0.223 SW 5880 <br /> properties of Sdvens 4.16 mm No.4 0.1&1 4.16 4]60 <br /> Sym,.Needle 4.00 mm No.5 0.157 4.00 4000 <br /> Gaga Char 3.36mm No.6 0.132 336 3380 <br /> Who Gauge <br /> 1. <br /> Conversion CSM 83 mm No.i 0.111 2.63 2830 <br /> product Highlgh62.36mm No.8 0.0931 2.36 2360 <br /> poducl Lines ZOO man No.10 Will 200 2150 <br /> 1.66 non No.12 0.0881 1.68 1650 <br /> 1.41 mm No.14 0.0555 1.41 1410 <br /> 1.19mm No.16 0.0409 1.19 1190 <br /> 1.00 mm No.18 0.0394 1.00 1000 <br /> 0.641 mm No.20 0.0331 0.841 841 <br /> 0.750 mm No.25 0.0218 010] 701 <br /> /-2 0.595 mm No.W 0.1231 0.595 585 <br /> 0. .600 WO <br /> ��L•4 .351 mm No.45 0.0139 6264- <br /> 0297 mm No.W 0.0117 0297 297 <br /> 0250 mm No.W 0.196 0.250 2W <br /> 021amm No.70 0.1/ 0.210 210 <br /> 0.1Tmm No.SO 0.110 0.1]] 1]] <br /> 0.149mm No.11 0.159 0.149 149 <br /> 0.125mm No.120 0.0019 0.125 125 <br /> 0.105mm No.140 0.0011 0.105 105 <br /> em mm No.170 0.135 0098 W <br /> 0.0]4 mm No.21 0.0029 0.074 14 <br /> emons No.230 0.015 0.13 63 <br /> 0.053mm No.210 O.W21 0.053 53 <br /> 0.044 mm No.325 0.117 O.W 44 <br /> 0.031mm No.41 0.115 0.037 37 <br /> larger sieve openings(1 in.to 1/4 in.)have been designated by a sieve'in ash'size that oonesponds to the size of the opening g inches. <br /> Smaller sieve'mesh'sizes N 31/2 to 41 are designated by Me number of openings pa'linea,inch in the sieve. <br /> The following convention is usetl to diaradenze particle size by mesh designation: <br /> • a'+'before the sieve mash indicates the particles are retained by the sieve; <br /> • a -'before Me sieve mesh indicates the parOdas pass through Me sieve; <br /> a typically 90%or more of Me panldea will lie within the indicated range. <br /> For example.N the panicle size of a material is described as 4+40 mesh,Men 90%or more of Me material will pass through a 4mesh sieve <br /> (particles smaller Man 4]6 mm)and be retained by a 40+nesh sieve Martides larger Man 0.420 mm). If a maidel s described as 40 <br /> mash,Men 90%or more of Me material will pass through a 40-nosh sieve(parades smaller than 0.420 mm). <br /> This information is also provided m page T848 of Me Aldrich 213-2004 Catalog/Handbook of Fine Chemicals. <br /> Return m Li bBas,za Technmal Library homepage <br /> jYj PF,Z71 <br /> ■ <br /> OW Uni Tarm• I Term"and Conditions of Sale I Privary I Contact U. 194•XN <br /> rcpr Jn o.:.1f0`v Yrna xC.tl+(u./.I .'­�,. n e uta l]sslRY 1-1n -'w'..'remrkwn-G9me 4dnd ar anti pro ver v...uvvevm 0 -i ib.ri... <br /> http://www.sigmaaldrich.com/chemistry/stockroom-reagents/leaming-center/technical-librar... 2/3/2010 <br />