Grade: Feed additives . Assay: 1,000,000IU/G --4,000,000IU/G Usage: Used in animal nutrient industry , such as in premix . Grade: Feed additives .Assay: 1,000,000IU/G --4,000,000IU/G Use:Used in animal nutrient industry , such as in premix .Appearance and properties: Yellowish oil, easily deteroprated under air or sunlight .Packing: 25kg/drum .180kg/drum ,or 5kg/tin.Shelf life : 12 months .