Coated ascorbic acid is made through physical method. VC is wrapped with a protecting coat to prevent it from harmful conditions. This product is coated completely and released slowly. Its biological availability is the same as VC. It can be used in multi-vitamin premix, complex premix, mesh feed, and pellet feed for pig and poultry. Specifications: 1) Assay (as stable VC) 96.0% - 97.5% 2) Identification positive 3) Inactive ingredients ethyl cellulose 4) Loss on drying 0.2% max 5) Heavy metals 20ppm max 6) Particle size 95% pass thru 20 mesh 7) Appearance white or yellowish crystalline powder 8) Storage: store in a cool, dry, ventilated area 9) Shelf life: two years in dry conditions after production 10) GMO status: GNO free Packing: 25kg/carton box lined with layers of plastic sack