Desco 990-GT is a water insoluble synthetic valve lubricant and anti-seize for use in extreme high temperature environments such as geothermal applications. It is highly resistant to water
and aqueous solutions (alkalis, acids). The solid lubricant additives contained in Chemola™ Desco 990-GT allow a greater degree of lubrication at temperatures where most lubricants fail.
Service Recommendations:
Geothermal, steam, kiln car bearings and forging operations.
| Appearance | Black, smooth, tacky |
| NLGI | 2 |
| Penetration (ASTM D217) | 265-295 |
| Worked Penetration, 60x (ASTM D217) | 265-295 |
| Base Oil | Synthetic hydrocarbon |
| Base Oil Viscosity | 600 cSt at 100°C |
| Base Oil Pour Point | 30°F (0°C) |
| Thickener | Inorganic |
| Additives | EP/antiwear package |
| Solids Content | Graphite |
| Specific Gravity | 1.0 |
| Density (lb/gal) | 8.7 |
| Dropping Point (ASTM D566) | >500°F (260°C) |
| Flash Point | >400°F (204°C) |
| Temperature Range | 0°F to 2000°F (-18°C to 1093°C) |
| PART # | UNIT SIZE | CONTAINER |
|---|---|---|
| LL990010 | 10 lb | Can |
| LL990020 | 20 lb | Can |
| LL990040 | 40 lb | Pail |
| LL990120 | 120 lb | Keg |
| LL990400 | 400 lb | Drum with liner |
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