UCO Used Cooking Oil Standard Specification Product Description Common Names Waste Vegetable Oil Recycled Cooking Oil Waste Frying Oil Source Collected from postconsumption cooking and frying processes vegetablebased oils only Applications Biodiesel production FAME Animal feed additive where permitted Soap manufacturing Industrial lubricants Physical Chemical Properties Parameter Typical Value Limit Appearance Yellow to brown liquid Odor Characteristic fried odor Density 20C 090 093 g cm3 Viscosity 40C 30 50 cSt Free Fatty Acids FFA 5 15 as Oleic Acid Moisture Content 10 Impurities Solids 05 Iodine Value 70 130 g I2 100g Saponification Value 180 205 mg KOH g Acid Value 10 mg KOH g Peroxide Value 5 meq kg Ash Content 01 Color Gardner Scale 5 20 Composition Triglycerides 80 90 Free Fatty Acids 5 15 Moisture 1 Impurities 05 Typical Fatty Acid Profile Oleic Acid C181 30 45 Linoleic Acid C182 20 30 Palmitic Acid C160 10 15 Stearic Acid C180 5 10 Others 5 10 Safety Notes Not classified as hazardous under normal handling May cause skin irritation with prolonged contact Combustible avoid open flames Use gloves protective clothing and safety glasses during handli