Duratherm 630
Rated to 332°C (630°F) and engineered to be an economical and environmentally friendly replacement to chemical aromatic thermal fluids, Duratherm 630’s enhanced blend is designed to offer years of trouble free service and superior protection from oxidation even at higher operating temperatures.
Max. Operating Temp
332°C (630°F)
Features
- 332°C (630°F) maximum operating temperature
- Clean alternative to synthetic, benzene based thermal fluids
- Engineered for precise temperature control
- Lubricates and extends the life of gaskets and seals
- Superior protection against sludge formation
- Non-toxic, non-hazardous
Temperature Ratings
Max Bulk/Use Temp | 630°F |
Max Film Temp | 670°F |
Pour Point ASTM D97 | -1°F |
Safety Data
Flash Point ASTM D92 | 444°F |
Fire Point ASTM D92 | 472°F |
Autoignition ASTM E-659-78 | 693°F |
Physical Properties
Viscocity ASTM D445
cSt
45°F | 262.1 |
115°F | 32.8 |
405°F | 1.6 |
630°F | 0.7 |
Density ASTM D1298
lb/ft³
45°F | 54.6 |
115°F | 52.9 |
405°F | 46.1 |
630°F | 40.8 |
Vapor Pressure ASTM D2879
psia
45°F | 0 |
115°F | 0 |
405°F | 0.06 |
630°F | 2.04 |
Distillation Range ASTM D2887
10% | 721°F | 90% | 921°F |
Molecular Weight | 395 |
Specific Gravity @ 60°F | 0.864 |
Thermal Properties
Thermal Expansion Coefficient
0.0562%/°F
Thermal Conductivity
BTU/hr·ft·F°
45°F | 0.084 |
115°F | 0.083 |
405°F | 0.077 |
630°F | 0.073 |
Heat Capacity
BTU/lb F
45°F | 0.451 |
115°F | 0.482 |
405°F | 0.609 |
630°F | 0.707 |