Propylene glycol ester of fatty acids is mainly used in cakes and whipped toppings as emulsifiers and aerating agents. Technical parameters: 1) Content of propylene glycol ester (%): minimum 90% 2) Acid value (mgKOH/g): ≤4 3) Arsenic value (mg/kg): ≤3 4) Heavy metal (as Pb) (mg/kg): ≤10 5) Free propylene glycol (%): ≤1.5 6) Soap (as potassium stearate) (%): ≤7 7) Sulfated ash (%): ≤0.5 Storage: Keep dry and cool, away from sunlight, it has a shelf life of 2 years in original package Packing: 20kg/master carton