... 304,which is up to the requirements of national food-grade. it also can be used for single deck ... industry: coating, printing ink, pigment, emulsion /latex paint, paste.Food industry: Sugar, salt, soybean milk, yeast, starch, fruit juice, ... .Medicine industry: Chinese and western medicine powder, Pollutant treatment: Rubbish waste, oil animal, droppingsCeramic industry: Alumina, quartz sand, slurry ...