Sieve Calibration standard (100mm or 3") 20 microns or No.635
Calibration standard for 100mm or 3" diameter sieves, NIST Traceable for 20 microns or No.635 : 5 bottles, 0.25g per bottle.
LEAD TIME EST. 3-4 BUSINESS DAYS.
Calibration standards for 3-inch and 100mm diameter sieves are also available. Contact us for a quote.