Ammonium Bisulphite Winterized: We are the most preeminent manufacturer, exporter and supplier of Ammonium Bisulphite Winterized in India. Winterized Ammonium Bisulphite is and special chemistry of ABS, compared to the normal ammonium Bisulphite and Catalyzed Ammonium Bisulphite. This ABS remains in liquid state, keeps following with same tendency and works efficiently even at a very low temperature. This product is specially developed for extreme weather condition. Our ABS is specially treated and modified to have congealing point of more than -22C. Even though it is winterized for low temperatures there is no major change in chemical properties or its application.Winterized Ammonium Bisulphite is also known(synonyms) Stabilized ammonium bisulphate, Oxygen Scavenger, Corrosion Inhibitor, winterized Ammonium Bisulphite. Ammonium hydrogen sulphite, ABS.