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Cargille™ Extra High Viscosity Immersion Oils

Optical and physical properties



Immersion oils with different viscosities make them easier to use in different applications. Extra high viscosity immersion oils facilitate the following applications:

Note: Cargille Immersion Oil Type NVH has viscosity of 21,000 cSt (centistokes), which is about 1.5 times thicker than honey. Cargille Immersion Oil Type OVH has a viscosity of 46,000 CST, or about 3 times that of honey. The viscosity of Type OVH was chosen to be close to discontinued Cargille Immersion Oil Type VH (46,500 CST) because of the popularity of its viscosity.

*All value measured at 23°C

Type of Oil:Type OVHType NVH
SPI #:04093-AB04107-AB
Refractive Index @ 23 C:
F Line (4861 )
1.52301.5230
e Line (5461 )
1.51781.5178
D Line (5893 )
1.51501.5150
C Line (6563 )
1.51181.5118
Dispersion:
nF-nC:
0.01110.0113
Abbe VD:
46.345.7
Abbe Ve:
46.045.4
Temperature Coefficient: (15-35°C)
dnD/dt
-0.00034 / +°C-0.00034 / +°C
Stability: (change in nD25°C after 24 hrs. @ temp.)
60°C:
00
100°C:
00
Fluorescence (1):
Short Wave:
lowlow
(Ultra-Violet)
Long Wave:
lowlow
Color: (Gardner)<31
Viscosity:(centistokes)
CST 10% @ 23°C:
46,00021,000
Density: @ 23°C
g/cc:
0.9180.919
(US) lb/gal:
7.667.67
Cloud Point:<-13°C<-13°C
Flash Point: (Cleveland Open Cup)340°F325°F
Neutralization No.:
(mg KOH/g)0.04 max.0.01 max.
(1) Relative to Cedarwood Oil


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