Oxidative Stability of Acylated and Hydrogenated Ricinoleates Using Synthetic and Natural Antioxidants
Table 1
Physicochemical properties of bio-based lubricants, castor oil and mineral oil.
Samples
Specific gravity (g/cm3)
Pour point (°C)
Flash point (°C)
TAN (mg·KOH/g)
Viscosity (cSt)
Viscosity index
40°C
100°C
Castor oil
0.9582
−15
286
1.080
261.3
19.60
84
BL1
0.9033
−42
264
0.021
17.6
4.31
159
BL2
0.9138
−36
258
0.025
18.3
4.33
152
BL3
0.9120
−27
268
0.018
26.0
5.57
161
BL4
0.9084
−18
260
0.015
38.4
7.29
157
Mineral oil
0.8931
−33
160
0.001
19.8
4.12
108
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