Production capacity: 1200 t/year Other name: tannin, chinese gall tannic acid. e in chloroform and ether. Technical data: Purity % ¡ý81-92 Loss on drying % ¡ü9 Residue on ignition % ¡ü0.2 Arsenic ppm ¡ü3 Heavy metal ppm ¡ü20 Tree gum or dextrin test up to standard Resin test up to standard Grade: tech grade; dyestuff grade; medical grade and food grade. Storage: kept in airtight container. 25kg/drum
