Calcium propionate is a white powder.It can be used as mildew inhibitor, preservative and bactericide. Calcium Propionate is widely used in food, and industry.Can be also used in butyl rubber to prevent aging and extend service life.Used in bread,cake,jelly,jam,beverage and sauce. Packaging: 25kg bag. Shipping: Within 7 days of order confirmation. manufacture and supply best quality of Calcium propionate and Baking Yeast