Propylene Glycol Animal Feed (Propylene Glycol AF) is developed to meet the needs in outdoor livestock farming and animal feed products for use as a humectant, emulsifier, preservative and solvent for feed additives. It is also a readily-available source of energy and aid for prevention of Ketosis in dairy cattle. LyondellBasell Propylene Glycol AF is a high purity product and meets all GMP+ FSA (Feed Safety Assurance) requirements.