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Catalog 207 • Page 159
VI SCOS ITY OF OILS (S.S.U. )
Saybolt
Redwood
Universal
Centi
Centi
Engler
No.1
Typical Liquids at
SSU
Stokes
Stokes
Poises
Poises
Seconds
Seconds
Room Temperature
31
.010
1.00
.008
.8
54
29
Water
35
.025
2.56
.020
2.05
59
32.1
Kerosene
50
.074
7.40
.059
5.92
80
44.3
No. 2 Fuel Oil
80
.157
15.7
.126
12.6
125
69.2
No. 4 Fuel Oil
100
.202
20.2
.162
16.2
150
85.6
Transformer Oil
200
.432
43.2
.346
34.6
295
170
Hydraulic Oil
300
.654
65.4
.522
52.2
470
254
SAE 10W Oil
500
1.10
110
.88
88.0
760
423
SAE 10 Oil
1,000
2.16
220
1.73
173
1,500
896
SAE 20 Oil
2,000
4.40
440
3.52
352
3,000
1,690
SAE 30 Oil
5,000
10.8
1,080
8.80
880
7,500
4,230
SAE 50 Oil
10,000
21.6
2,160
17.0
1,760
15,000
8,460
SAE 60-70 Oil
50,000
108
10,800
88
8,800
75,000
43,660
Molasses B
100,000
216
21,600
173
17,300
150,000
88,160
Molasses C
TYPES OF
VISCOUS LIQUIDS
Newtonian Fluids:
Viscosity remains constant
with changing shear rates
or agitation. The required
force to create flow
increases proportionally as
speed increases (examples:
water, mineral oils, syrups,
hydrocarbons, resins).
Thixotropic Fluids:
Viscosity decreases as
the sheer rate increases
(examples: paints, inks,
caulking compounds, gels,
slurry mixes, lotions,
shampoo).
Dilatant Fluids:
Viscosity
increases as the sheer rate
increases (examples: fluids
with high concentration of
clays, oxides and granular
or crystalline materials).