Zochem Continually Improves 325 Mesh Retains in Zinc Oxide
An important specification parameter in the determination of zinc oxide (ZnO) quality is the 325 mesh or 44 micron (µm) sieve test. Testing for oversized zinc oxide particles is accomplished by passing the powder through a screen that has openings precisely calibrated in microns. Figure 1 below shows a 325 U.S. mesh sieve. Each square […]