物理/化學特性 |
Appearance |
Colorless,
odorless liquid |
Composition |
White
mineral oil, USP/NF |
Flash
Point (ASTM D-92) |
182℃(360°F) |
Fire
Point (ASTM D-92) |
196℃(385°F) |
Autoignition
Temperature (ASTM E-2155) |
324℃(615°F) |
Kinematic
Viscosity, at 40℃ |
23.7
mm2/s (cSt) |
Kinematic
Viscosity, at 100℃ |
4.06
mm2/s (cSt) |
Density
at 25℃ |
875kg/m3
(7.30 lb/gal) |
Specific
Gravity(60°F/60°F) |
0.882 |
Coefficient
of Thermal Expansion at 200℃ |
0.000892/℃(0.000495/°F) |
Average
Molecular Weight |
350 |
Pour
Point |
-29℃(-20°F) |
Pumpability,
at 2000 mm2/s (cSt) |
-20℃(-4°F) |
Pumpability,
at 300 mm2/s (cSt) |
-1℃(-30°F) |
Minimum
Temperatures for |
|
Fully
Developed Turbulent Flow (Re=10000) |
10
ft/sec, 1-in tube |
72℃(162°F) |
20
ft/sec, 1-in tube |
51℃(123°F) |
Transition
Region Flow (Re=2000) |
10
ft/sec, 1-in tube |
30℃(85°F) |
20
ft/sec, 1-in tube |
17℃(63°F) |
Boiling
Range, 10% |
332℃(630°F) |
Boiling
Range, 90% |
416℃(780°F) |
Normal
Boiling Point |
358℃(676°F) |
Heat
of Vaporization at Max. Use Temp
315℃ |
214
KJ/kg (91.9 Btu/lb) |
Optimum
Use Range |
-20°C
to 315℃(0-600°F) |
Maximum
Film Temperature |
330℃(625°F) |
Pseudocritical
Temperature |
542℃(1007°F) |
Pseudocritical
Pressure |
15.2
bar (220 psia) |
Pseudocritical
Density |
280
kg/m3 (17.5 lb/ft3) |