Property

Test Method

Hydrex AW

HYDREX Viscosity Grade

--

22

32

46

68

80

100

¹Flash Point, ˚C/˚F

D92

207/405

217/423

227/441

225/437

245/473

250/482

Viscosity, cST @ 40˚C
                  CSt @ 100˚C
                  SUV @ 100˚F
                  SUV @ 210˚F

D445

21.6
4.3
106
40

31.5
5.3
151
43

45.7
6.7
219
49

68.4
8.5
315
54

80
9.7
389
60

100
11.3
440
63

Viscosity Index

D2270

101

98

100

93

99

99

Pour Point, ˚C/˚F

D97

-45/-49

-39/-38

-36/-33

-33/-27

-24/-11

-30/-22

Rust Procedures A&B, 24 hr

D665

Pass

Pass

Pass

Pass

Pass

Pass

Oxidation Stability, hours

D943

6500+

6500+

6500+

6500+

6500+

6500+

Oxidation Stability, mg sludge

D4310

Pass

66

71

Pass

Pass

Pass

Hydrolytic Stability, copper loss, mg/cm²

D2619

Pass

0.17

0.10

Pass

Pass

Pass

Dielectric Breakdown Voltage, kV

D877

44

44

44

44

44

44

Four-Ball Wear Test, Scar Diam. (mm)

D4172

0.5

0.4

<0.4

<0.4

<0.4

<0.4

Water Separability, 54˚C/129˚F, mL water (minutes)

D1401

40-40-0 (10)

40-40-0 (25)

40-40-0 (10)

40-40-0 (20)

40-38-0 (30)

40-40-0 (5)¹