Item | LPG standard | Test method | ||
Summer | Winter | |||
Composition (mol %) | C3-Hydrocarbon | Max. 10 | 15 ~ 35 | |
C4-Hydrocarbon | Min. 85 | Min. 60 | KS M ISO 7941 | |
1,3-Butadiene | Max. 0.5 | |||
Sulfur content (mg/kg) | Max. 40 | ASTM D 6667 | ||
Vapor pressure (40˚C, kPa) | Max. 1.27 | KS M ISO 4256 | ||
Density (15˚C, kg/m3) | 500 ~ 620 | KS M 2150 | ||
Residue (ml) | Max. 0.05 | ASTM D 2158 | ||
Copper strip corrosion (40˚C, 1 h) | Min. 1 | KS M 6251 |