Calibre Chemicals Pvt. Ltd. Manufactures Stabilized Potassium Iodide. Calibre Chemicals Pvt. Ltd. Is ISO 9001:2000 and HACCP certified. The Stabilized Potassium Iodide is a white powder. This is a mixture of Potassium Iodide 90% and Calcium Stearate 10%. The Stabilized Potassium Iodide is used as feed additive.