These Test Sieves have an 8" diameter, and they come in brass, stainless steel or a combination of both.
Features
Sieves are offered in three sturdy constructions:
Brass Frame / Brass Cloth
Brass Frame / Stainless Steel Cloth
Stainless Steel Frame / Stainless Steel Cloth
The 8" Test Sieves are available in the standard full height, 2-5/8” overall height, or half height, 1-5/8” overall height. The approximate is weight 2lbs.
Each sieve is supplied with a serial number and a matching test sieve Certificate of Compliance.
NIST Traceable examinations are available.
30 mesh backing cloth is available on test sieves 100 mesh and finer at an additional cost.
Conforms to ISO 3310-1 and BS410 Specifications and ASTM E11
1/8” inch opening is not included in ASTM E11 Standard
Guarantees that the permissible variation of average opening as allowed by ASTM E11 is reduced by 50%.
Designed as “masters” for internal quality assurance programs (8 in. diameter).
Each test sieve is optically examined, serialized, and supplied with complete NIST Traceable Documents.
Supplied with labeled storage carton.
Technical Attributes
Sieve No. | Approx. Mesh Opening Size in mm | Nominal Sieve Opening | ± Y Variation for Opening | + X Maximum Variation for Opening* | Resulting Maximum Individual Opening* | Typical Wire Diameter | Permissible Range of Choice | |
Min | Max | |||||||
1/2 in. | 12.5mm | 0.500 in. | 0.385mm | 0.83mm | 13.33mm | 2.5mm | 2.1 | 2.9 |
3/8 in. | 9.5mm | 0.375 in. | 0.295mm | 0.68mm | 10.18mm | 2.24mm | 1.9 | 2.6 |
5/16 in. | 8mm | 0.312 in. | 0.249mm | 0.60mm | 8.60mm | 2mm | 1.7 | 2.3 |
No. 3.5 | 5.6mm | 0.223 in. | 0.176mm | 0.47mm | 6.07mm | 1.6mm | 1.3 | 1.9 |
No. 4 | 4.75mm | 0.187 in. | 0.150mm | 0.41mm | 5.16mm | 1.6mm | 1.3 | 1.9 |
No. 5 | 4mm | 0.157 in. | 0.127mm | 0.37mm | 4.37mm | 1.4mm | 1.2 | 1.7 |
No. 6 | 3.35mm | 0.132 in. | 0.107mm | 0.32mm | 3.67mm | 1.25mm | 1.06 | 1.5 |
No. 7 | 2.8mm | 0.110 in. | 0.090mm | 0.29mm | 3.09mm | 1.12mm | 0.95 | 1.3 |
No. 8 | 2.36mm | 0.0937 in. | 0.076mm | 0.25mm | 2.61mm | 1mm | 0.85 | 1.15 |
No. 10 | 2mm | 0.0787 in. | 0.065mm | 0.23mm | 2.23mm | 0.9mm | 0.77 | 1.04 |
No. 12 | 1.7mm | 0.0661 in. | 0.056mm | 0.20mm | 1.90mm | 0.8mm | 0.68 | 0.92 |
No. 14 | 1.4mm | 0.0555 in. | 0.046mm | 0.18mm | 1.58mm | 0.71mm | 0.6 | 0.82 |
No. 16 | 1.18mm | 0.0469 in. | 0.040mm | 0.16mm | 1.34mm | 0.63mm | 0.54 | 0.72 |
No.18 | 1mm | 0.0394 in. | 0.034mm | 0.14mm | 1.14mm | 0.56mm | 0.48 | 0.64 |
No. 20 | 850μm | 0.0331 | 29.1μm | 127μm | 977μm | 0.5μm | 0.43 | 0.58 |
No. 25 | 710μm | 0.0278 | 24.7μm | 112 μm | 822μm | 0.45μm | 0.38 | 0.52 |
No. 30 | 600μm | 0.0234 | 21.2μm | 101μm | 701μm | 0.4μm | 0.34 | 0.46 |
No. 35 | 500μm | 0.0197 | 18.0μm | 89μm | 589μm | 0.315μm | 0.27 | 0.36 |
No. 40 | 425μm | 0.0165 | 15.5μm | 81μm | 506μm | 0.28μm | 0.24 | 0.32 |
No. 45 | 355μm | 0.0139 | 13.3μm | 72μm | 427μm | 0.224μm | 0.19 | 0.26 |
No. 50 | 300μm | 0.0117 | 11.5μm | 65μm | 365μm | 0.2μm | 0.17 | 0.23 |
No. 60 | 250μm | 0.0098 | 9.9μm | 58μm | 308μm | 0.16μm | 0.13 | 0.19 |
No. 70 | 212μm | 0.0083 | 8.7μm | 52μm | 264μm | 0.14μm | 0.12 | 0.17 |
No. 80 | 180μm | 0.0070 | 7.6μm | 47μm | 227μm | 0.125μm | 0.106 | 0.15 |
No. 100 | 150μm | 0.0059 | 6.6μm | 43μm | 193μm | 0.1μm | 0.085 | 0.115 |
No. 120 | 125μm | 0.0049 | 5.8μm | 38μm | 163μm | 0.09μm | 0.077 | 0.104 |
No. 140 | 106μm | 0.0041 | 5.2μm | 35μm | 141μm | 0.071μm | 0.06 | 0.082 |
No. 170 | 90μm | 0.0035 | 4.6μm | 32μm | 122μm | 0.063μm | 0.054 | 0.072 |
No. 200 | 75μm | 0.0029 | 4.1μm | 29μm | 104μm | 0.05μm | 0.043 | 0.058 |
No. 230 | 63μm | 0.0025 | 3.7μm | 26μm | 89μm | 0.045μm | 0.038 | 0.052 |
No. 270 | 53μm | 0.0021 | 3.4μm | 24μm | 77μm | 0.036μm | 0.031 | 0.041 |
No. 325 | 45μm | 0.0017 | 3.1μm | 22μm | 67μm | 0.032μm | 0.027 | 0.037 |
No. 400 | 38μm | 0.0015 | 2.9μm | 20μm | 58μm | 0.03μm | 0.024 | 0.035 |
No. 450 | 32μm | 0.0012 | 2.7μm | 18μm | 50μm | 0.028μm | 0.023 | 0.033 |
No. 500 | 25μm | 0.0010 | 2.5μm | 16μm | 41μm | 0.025μm | 0.021 | 0.029 |
No. 635 | 20μm | 0.0008 | 2.3μm | 15μm | 35μm | 0.02μm | 0.017 | 0.023 |
*Not more than 5% of the openings may fall between the limits set by the values |
Other Variations