No

Item

Unit

Technical data

Light base oil

Medium/heavy base oil

1

Viscosity(40°C)

mm2/s

16~32

28~72

2

Viscosity index

≥99

110

3

Appearance

Transparency

Transparency

4

Color index

ASTMD1500

≤1

≤2

5

Pour point

°C

-15

-10

6

Water content

%W/W

≤0.05

≤0.05

7

Flash point open

°C

≥180

≥210

8

Ash content

%W/W

0.005

0.005

9

Carbon residue

%W/W

≤0.13

≤0.13

10

Corrosioncopper,100°C3h

Qualified

Qualified

11

Acidity

Mg KOH/g

≤0.05

≤0.05