Desco 660 is a superior gate valve lubricant/sealant formulated with 100% synthetic oils and non-soap thickeners. It is very effective in gas service (except chlorine, bromine, fluorine, and
oxygen) and highly resistant to washout. It has excellent metal adhesion, corrosion resistance, EP characteristics and is water resistant.
Service Recommendations:
Desco 660 can be used in aliphatic hydrocarbons, alkalis, dilute acids, salt water, water, sour crude and sour gas.
| Appearance | Dark green, smooth, tacky |
| NLGI | 0 |
| Penetration (ASTM D217) | 355-385 |
| Worked Penetration, 60x (ASTM D217) | 355-385 |
| Base Oil | Synthetic ester |
| Base Oil Viscosity | 30,000 cSt at 40°C |
| Base Oil Pour Point | 510°F (-12 °C) |
| Thickener | Inorganic |
| Additives | Antioxidant package |
| Specific Gravity | 1.03 |
| Density (lb/gal) | 11.1 |
| Dropping Point (ASTM D566) | >500°F (260°C) |
| Flash Point | >550°F (288°C) |
| Temperature Range | 0°F to 400°F (-18°C to 204°C) |
| Resistance to Water (FTM 5415) | Pass |
| Resistance to 50% Ethanol in Water (FTM 5415) | Pass |
| Resistance to Synthetic Condensate (FTM 5415 mod) | Pass |
| Resistance to Mineral Spirits (FTM 5415 mod) | Pass |
| Resistance to 20% Hexane in Mineral Spirits (FTM 5415 mod) | Pass |
| Resistance to Diesel Fuel (FTM 5415 mod) | Pass |
| Resistance to Brine, 135°F (53°C) (ASTM D1748 mod) | Pass |
| PART# | UNIT SIZE | CONTAINER |
|---|---|---|
| LL660010 | 10 lb | Can |
| LL660020 | 25 lb | Pail |
| LL660040 | 40 lb | Pail |
| LL660120 | 120 lb | Keg |
| LL660400 | 400 lb | Drum with liner |
