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Chemola™ Desco 990-GT

Geothermal Lubricant

Chemola™ 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.

Recommended Uses

Geothermal, steam, kiln car bearings and forging operations

Typical Characteristics

AppearanceBlack, smooth, tacky
Penetration (ASTM D217)265-295
Worked Penetration, 60x (ASTM D217)265-295
Base OilSynthetic hydrocarbon
Base Oil Viscosity600 cSt at 100°C
Base Oil Pour Point30°F (0°C)
AdditivesEP/antiwear package
Solids ContentGraphite
Specific Gravity1.0
Density (lb/gal)8.7
Dropping Point (ASTM D566)>500°F (260°C)
Flash Point>400°F (204°C)
Temperature Range0°F to 2000°F (-18°C to 1093°C)

Packaging Information

Item NumberUnit SizeQuantity
0117010WMS10 lb pail
0117020WMS20 lb pail
0117040WMS40 lb pail
0117120KG120 lb keg
0117400DR400 lb drum