ISTRUZIONI ORIGINALI
TECHNICAL INFORMATION
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87-900-136-01
Ambient temperature
Grade
Varian oil
+12 – 40 °C
ISO 68
MS-1
Recommended oil
For ambient temperature outside the stated range,
please get in touch with our Customer Service de-
partment.
Varian Rotary Vane Fluid MS-1 Type
characteristics
Property
Unit of
measure
Rotary Vane Fluid
MS-1 type
Vapour pressure @ 38 °C
Torr
8.4·10
-12
Vapour pressure @ 66 °C
Torr
8.3·10
-9
Vapour pressure @ 93 °C
Torr
1.0·10
-6
Viscosity @ 40 °C (DIN 51550)
cSt
98.32
Viscosity @ 100 °C (DIN 51550)
cSt
2.41
Viscosity index (ASTM D2270)
202
Density @ 15 °C
g/ml
0.865
Pour point (DIN ISO 3016)
°C (°F)
-48 (-118.4)
Flash point C.O.C. (DIN 51376)
°C (°F)
271 (519.8)
Coefficient of Thermal Expan-
sion:
1/°F 0.00041
Specific Heat @ 38°C
BTU/lb°F
0.51
Specific Heat @ 66°C
BTU/lb°F
0.53
Specific Heat @ 93°C
BTU/lb°F
0.56
Thermal Conductivity @ 38°C
BTU/hr ft
2
0.092
Thermal Conductivity @ 66°C
BTU/hr ft
2
0.091
Thermal Conductivity @ 93°C
BTU/hr ft
2
0.090
