Listing ID #1073536
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Heat Transfer Oil is specifically designed for use in circulating hot oil systems. It is produced using high viscosity index paraffinic base stocks and specialized additives. Also, special additives are used in our Heat Transfer Oil that enhance its thermal conductivity. Our Heat Transfer Oil can resist thermal cracking and decomposition. The Heat Transfer Oil that we offer is recommended for open hot oil systems that operate up to 400oF and in closed systems up to 600oF.
Benefits :
| AE Viscosity Grade | 32 | 46 | 68 |
|---|---|---|---|
| Product code | 15460 | 15461 | 15482 |
| API Gravity (ASTM D- 1298) | 31.5 | 31.2 | 31 |
| Specific Gravity | 0.87 | 0.87 | 0.87 |
| Viscosity (ASTM D- 445) cSt @ 40oC cSt @ 100oC SUS @ 100oF SUS @ 210oF |
31.9 5.49 164 45 |
47.0 6.96 242 50 |
69.0 8.76 358 56 |
| Viscosity Index (ASTM D-2270) | 108 | 104 | 99 |
| Pour Point (ASTM D-97) oF(oC) | -15 (-26) | -15 (-26) | -15 (-26) |
| Flash Point (ASTM D-92) oF(oC) | 400 (204) | 415 (213) | 460(238) |
| Color (ASTM D-1500) | 2.5 | 2.5 |
he above data is subject to usual manufacturing variation. For more information and availability, call 1-800-422-LUBE.
4/4/2007
Vapor Pressure
The vapor pressure of lubricating oils is very low and except for certain low vacuum or very high temperature applications, it is not a limiting factor in typical lubrication practice. Vapor pressure is a physical property not normally obtained or measured for lubricating oils and data for specific products are not available. To obtain actual data it is unusually necessary to determine the boiling points at several reduced pressures, then plot and extrapolate the data to the temperatures of application.
Examples below show the order of magnitude of the vapor pressure of lubricating oils. This property may or may not correspond to Noak volatility.
Approximate Vapor Pressure Power zone oils (mmHg)*
| Temperature, F | 150 SUS Oil (approx ISO 32) | 300 SUS Oil (approx ISO 68) | 400 SUS Oil (less than an ISO 100) |
|---|---|---|---|
| 100 | 4 x 10-5 | 5 x 10-7 | 2.5 x 10-7 |
| 150 | 3 x 10-4 | 7 x 10-6 | 2.7 x 10-6 |
| 250 | 1.5 x 10-2 | 9 x 10-4 | 4 x 10-4 |
| 350 | 0.8 | 0.12 | 5.5 x 10-2 |
| 450 | 5.8 | 1.5 | 0.7 |
| 550 | 35 | 15 | 7.4 |
*Power zone oils are assumed to have a specific gravity of 0.868- 0.871
Thermal Conductivity/Specific Heat
The thermal conductivity of petroleum liquids are calculated as
K= 0.813 [1-0.0003(t-32)]
d
where K is the thermal conductivity in Btu per hour per square foot and degree F per inc, d= specific gravity of liquid at 60/60F and t= temperature in degrees F. The values below have an accuracy within 10 percent.
*Power zone oils are assumed to have a specific gravity of 0.868- 0.871
Approximate Properties of Power zone Oils*
| Temperature degrees F | Thermal conductivity Btu per hour, square ft and F per inch | Thermal conductivity Calories per second cm and C per centimeter | Specific Heat Btu/Ib degree F |
|---|---|---|---|
| 0 | 0.94 to 0.95 | - | 0.42 |
| 32(oC) | - | 0 | 0.43 |
| 200 | 0.88 to 0.89 | - | 0.51 |
| 212(100 C) | - | 0 | 0.51 |
| 392(200 C) | - | 0 | 0.6 |
| 400 | 0.83 to 0.84 | - | 0.61 |
| 572(300 C) | - | 0 | 0.69 |
| 600 | 0.77 to 0.78 | - | 0.71 |
*Power zone oils are assumed to have a specific gravity of 0.868- 0.871
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