Freeze-dried waxberry made by freeze-drying process, freeze waxberry below freezing point, transformation of water into ice, drying method that removes ice by converting it to vapor under vacuum, it can preserve the color, aroma, taste and shape of the wa
Carborundum is a semiconductor material. The specific composition is composed of silicon and carbon semiconductor materials. There are many uses for Carborundum. Carborundum has four main applications, namely: functional ceramics, refractories, abrasives,