Kinematic viscosity (50℃), mm2/s 6~10 GB/T265
Acid value, mgKOH/g not more than 0.1% GB/T264;
Flash point (closed cup), not less than 135℃ GB/T261;
Condensation point, not higher than -10℃ GB/T510;
Ash content, not more than 0.01% GB/T508;
Corrosion test (40/50 steel sheet, 100℃, 3h) qualified SH/T0195;
Color transmittance (45# filter), not less than 75%, 581 photoelectric colorimetric needle.
