Quality Control
MESH
     Particle shape  by SEM shape analyzer and microscope
     Particle Size by  Precision Electron Sieves 
     TI by TI test  device
     TTI by TTI test  device
     Color by  microscope
     Bulk density by  Bulk Density Tester

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MICRON
     Particle Size  Distribution by Malvern mastersizer 
     Purity test by ICP 
     Particle Shape by SEM shape analyzer and microscope

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