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The Ministry of Commerce, Industry and Energy made a partial amendment of 'the Petroleum and Petroleum Alternative Fuels Business Law' in December 30th, 2005. The following quality standard for biodiesel is in accordance with above regulations.

Item Unit BD100 BD20 Diesel
Ester Content vol.% 96.5 (wt %) 20±3
10±3 (winter)
≤ 5
Pour Point deg.C - ≤ 0.0 (summer)
≤ -17.5 (winter)
≤ 0.0 (summer)
≤ -17.5 (winter)
Flash Point deg. C ≥ 120 ≥ 40 ≥ 40
Viscosity 40℃, ㎟/s 1.9 ~ 5.0 1.9 ~ 5.5 1.9 ~ 5.5
Distillation 90%, deg. C - ≤ 360 ≤ 360
Carbon Residue wt. % ≤ 0.1 ≤ 0.1 ≤ 0.15
Sulfur Content mg/kg ≤ 10 ≤ 30 ≤ 30
Ash Content wt. % ≤ 0.01 ≤ 0.02 ≤ 0.02
Cetane Number - ≥ 45 ≥ 45
Copper Corrosion 100℃, 3h ≤ 1 (50℃) ≤ 1 ≤ 1
Cold Filter Plugging Point (CFPP) Unit ≤ 0 ≤ -16 ≤ -16
Density) 15℃ (kg/㎥) 860 ~ 900 815 ~ 845 815 ~ 845
Water & Sediment Content vol. % ≤ 0.05 ≤ 0.02 ≤ 0.02
Acid Value mg KOH/g ≤ 0.50 ≤ 0.10 -
Lubricity 60℃ (HFRR, ㎛) - ≤ 460 ≤ 460
Total Glycerine wt. % ≤ 0.24 - -
Oxidation Stability 110℃, h ≥ 6 - -
Methanol Content wt. % ≤ 0.2 - -
Alkali Content (Na + K) mg/kg ≤ 5 - -
Alkali Content (Ca + Mg) mg/kg ≤ 5 - -
Poly-Chain Aromatic Content wt. % - - ≤ 11
Phosphorus mg/kg ≤ 10 - -
Note. 1. Winter periods are defined between November 11th and March 31st. (For BD20 & BD5)
        2. CFPP is applied during November 15th to February 28th.
        3. Fatty acid ester content may be applied as 10(±3)∼20(±3) in November and April.
[Quality Standard for biodiesel in EU & USA]
Property Unit EN14214 ASTM 6751-03
Min Max Min Max
Density at 15℃ g/㎥ 860 900 - -
Distillation %@℃ - - 90%, 360℃ -
Viscosity at 40℃ ㎟/s 3.5 5 1.9 6
Flash point range 120 - 130 -
Cold Test CFPP - Summer max 0℃ - -
Winter max -20℃
Sulfur content ㎎/㎏ - 10 - 15
Carbon residue % (m/m) - 0.3 - 0.3
Acid value ㎎ KOH/g - 0.5 - 0.8
Cetane number - 51 - 47 -
Ash content % (m/m) - 0.02 - 0.02
Water content ㎎/㎏ - 500 - 500
Sediment vol.% 96.5 (wt %) 0.05 < 5 0.05
Total contamination ㎎/㎏ - 24 - -
Copper corrosion rating Class 1 Class 2
Oxidation Stability hours 6 - 6 -
Ester Content % (m/m) 96.5 (wt %) - 96.5 -
Methanol content % (m/m) - 0.2 - -
Monoglycerides content % (m/m) - 0.8 - Ester Content
Free glycerine content % (m/m) - 0.02 - 0.02
Total glycerine content % (m/m) - 0.25 - 0.24
Iodine number - - 120 - -
Phosphorus ㎎/㎏ - 10 - 10
Alkali content (Na+K) ㎎/㎏ - 5 - -