... Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc.Application:This instrument ... Plate (boards), Ceramics (powder), Gypsum (powder), Wallpaper (paper/sheet), Porcelain Enamel (powder), Calcium Carbonate (powder),etc ... Balls (paste),etc² Paper making industry: Paper Factory (paper/sheet), Printing Factory (paper/sheet), Publishing Company (paper/sheet), etc² Textile ...