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1255 North Church St.
Moorestown, NJ 08057 - USA
(856) 235-5554 info@jetpulverizer.com
The Jet Pulverizer Company has numerous methods of particle sizing, the latest addition being a Horiba LA-950 laser sizing unit. We also offer testing with Coulter LS230 and Coulter Multisizers. Other methods include sieve testing, Fisher sub sieve sizer, optical microscope inspection, Scotts Biometric density meter and Tap density.
Key specs are:
| Table of Standard Sieves | ||||
| Microns | Inches | U.S. Standard ASTME 11-61 | British Standard BSS: 410-1989 | Tyler |
|---|---|---|---|---|
| 3360 | 0.1320 | 6 | 5 | 6 |
| 2830 | 0.1110 | 7 | 6 | 7 |
| 2380 | 0.0937 | 8 | 7 | 8 |
| 2000 | 0.0787 | 10 | 8 | 9 |
| 1680 | 0.0661 | 12 | 10 | 12 |
| 1410 | 0.5550 | 14 | 12 | 12 |
| 1190 | 0.4690 | 16 | 14 | 14 |
| 1000 | 0.0394 | 18 | 16 | 16 |
| 840 | 0.0331 | 20 | 18 | 20 |
| 707 | 0.2800 | 25 | 22 | 24 |
| 595 | 0.0232 | 30 | 25 | 28 |
| 500 | 0.0197 | 35 | 30 | 32 |
| 420 | 0.0165 | 40 | 36 | 35 |
| 354 | 0.0138 | 45 | 44 | 42 |
| 297 | 0.0117 | 50 | 52 | 48 |
| 250 | 0.0098 | 60 | 60 | 60 |
| 210 | 0.0083 | 70 | 72 | 65 |
| 177 | 0.0070 | 80 | 85 | 80 |
| 149 | 0.0059 | 100 | 100 | 100 |
| 125 | 0.0049 | 120 | 120 | 115 |
| 105 | 0.0041 | 140 | 150 | 150 |
| 88 | 0.0035 | 170 | 170 | 170 |
| 74 | 0.0029 | 200 | 200 | 200 |
| 63 | 0.0025 | 230 | 240 | 250 |
| 53 | 0.0021 | 270 | 300 | 270 |
| 44 | 0.0017 | 325 | 350 | 325 |
| 37 | 0.0015 | 400 | 400 | 400 |
| 32 | 0.0013 | 450 | 440 | 450 |
| 25 | 0.0010 | 500 | - | 500 |
| 20 | 0.0008 | 635 | - | 635 |
| 13 | 0.0005 | 1000 | - | 1000 |
| 10 | 0.0004 | - | - | 1250 |
| 5 | 0.0002 | - | - | 5000 |
| 1 | 0.00004 | 1 | - | 10000 |
| Table of Relative Sizes | ||
| Material | Approx. Size Limit | Size in Angstroms |
|---|---|---|
| Proton | 2 x 10-9 | 2 x-7 |
| Electron | 38 x19-7 nm | 3.8 x 10-6 |
| Cosmic Ray | 5 x 10-5 nm | 0.0005 |
| Shortest X-Rays | 0.006 nm | 0.06 |
| Diameter of Hydrogen Atom | 10.8 nn | 1.08 |
| Longest X-Rays | 8 nm | 80 |
| Colloidal Particles | 2 - 100 nm | 20 - 1,000 |
| Lower Limit of Microscopy | 100 nm | 1,000 |
| Wave-Length of Violet Light | 400 nm | 4,000 |
| Wave-Length of Red Light | 650 nm | 6,500 |
| Bacteria (cocci) | 2 µ | 20,000 |
| Red Blood Cells | 8 µ | 80,000 |
| White Blood Cells | 25 µ | 250,000 |
| Lower Limit of Vision (naked eye) | 40 µ | 400,000 |
| 325 Mesh Opening | 44 µ | 440,000 |
| Diameter of Human Hair | 50 µ | 500,000 |
| 100 Mesh Opening | 149 µ | 1,490,000 |
| Table of Equivalent Sizes | |||||||
| Unit | Meters | Inches | Millimeters | Microns | Nanometers | Angstroms | Picometers |
|---|---|---|---|---|---|---|---|
| Meter | 1 | 39.37 | 103 | 106 | 109 | 1010 | 1012 |
| Inch | 0.0254 | 1 | 25.4 | 25,500 | 2.54 x 107 | 2.54 x 108 | 2.54 x 1010 |
| Millimeters | 10-3 | 0.394 | 1 | 1000 | 10-6 | 10-7 | 10-10 |
| Microns | 10-6 | 3.94x10-5 | 10-3 | 1 | 1000 | 10,000 | 10-6 |
| Nanometers | 10-9 | 3.94x10-8 | 10-6 | 10-3 | 1 | 10 | 10,000 |
| Angstrom Units | 10-10 | 3.94x10-9 | 10-7 | 10-4 | 0.1 | 1 | 100 |
| Picometers | 10-12 | 3.94x10-11 | 10-9 | 10-6 | 10-3 | 0.01 | 1 |
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