Our Beef tallow is extra pure, it's even more delicious, more naturally shelf stable, and more reusable than ordinary tallow. It's made from 100% grass-fed cows, but it's the low-heat kettle rendering and advanced fine-filtering system that allows this beef twllow to meet the highest standards . Beef Tallow (used for Animal feed & Industrial) Specification : - Acid Value : 1 ~ 5% mg KOH/g - Fat : 99.5% ~ 99.9% - Moisture : 1% max - Impurities : 1 % max