Sieve Calibration Standard 38 microns or No.400
Calibration Standard for 200mm (8") Diameter Sieves, NIST Traceable for 38μm (No.400); also suitable for 36μm and 40μm; 5 bottle set, 1.0g per bottle GET A DISCOUNT WHEN YOU BUY 4 OR MORE
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Calibration standards for 3-inch and 100mm diameter sieves are also available. Contact us for a quote.