Radiation Resistant Lubricating Oil and Greases
Exhibits stable lubrication performance over a long period in nuclear power related facilities
A higher level of reliability than normal is required for the apparatus operating in nuclear power related facilities. MORESCO-HIRAD exhibits stable and superior lubrication performance. These products guarantee great possibilities for future technology.
Polyphenyl ether type
This type is suitable for use as the vacuum oil and gear oil in a particle accelerator, which is subjected to large amounts of radiation, and as the bearing oil in facilities such as 60Co gamma-ray radiation facilities and remote control equipment.
| Product No. | Dynamic viscosity mm2/s (40℃) |
Density g/cm3 (15℃) |
Flash point | Appearance | Product guide （PDF） |
|---|---|---|---|---|---|
| RP-42 | 125 | 1.17 | 260 | Colorless transparent | |
| RP-42R | 240 | 1.02 | 310 | Colorless transparent | |
| RP-42S | 42 | 1.04 | 250 | Colorless transparent |
Alkyl diphenyl ether type
This type is suitable for use as the operation oil and turbine oil on seismic isolation devices and nuclear power related apparatus.
| Product No. | Dynamic viscosity mm2/s (40℃) |
Density g/cm3 (15℃) |
Flash point | Appearance | Product guide （PDF） |
|---|---|---|---|---|---|
| RA-15 | 15.8 | 0.945 | 214 | Light yellow transparent | |
| RA-32 | 32.3 | 0.922 | 226 | Light yellow transparent | |
| RA-100 | 102 | 0.895 | 286 | Light yellow transparent | |
| RA-150 | 154 | 0.896 | 280 | Light yellow transparent | |
| RA-320 | 325 | 0.896 | 280 | Light yellow transparent |
Radiation resistant grease
This is suitable for use as the lubricant in nuclear power related equipment such as on the seismic isolation devices for fast-breeder reactors and light-water reactors, in 60Co gamma-ray irradiation facilities, remote control equipment, electron accelerators, and reprocessing plants.
| Product No. | Consistency (25℃) |
Consistency number |
Dropping point | Oil separation 30H (100℃) |
Appearance | Merits and applications |
Product guide （PDF） |
|---|---|---|---|---|---|---|---|
| GK-1 | 325 | No. 1 consistency | 250 or higher | 1.0% | Dark gray color | Excellent heat resistance, lubricating performance and radiation resistance. An extremely small amount of thermal decomposition gas under high temperature and high vacuum conditions. For textile machinery bearings, papermaking machinery bearings, and for nuclear power and semiconductor manufacturing equipment. |
| Product No. | Consistency (25℃) |
Consistency number |
Dropping point | Oil separation 30H (100℃) |
Product guide （PDF） |
|---|---|---|---|---|---|
| RG-42-1 | 325 | No. 1 consistency | 300 or higher | 4.0% or less | |
| RG-42R-1 | 325 | No. 1 consistency | 300 or higher | 4.0% or less | |
| RG-42S-1 | 325 | No. 1 consistency | 300 or higher | 4.0% or less |
