Chemola™ Desco

Chemola™ Desco is one of the largest and oldest producers of valve lubricants, sealants and packing. The line also offers a variety of greases for a wide range of industrial applications.

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

Appearance Black, smooth, tacky
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)



Packaging Information

Item Number Unit Size 
0117010WMS 10 lb pail
0117020WMS 20 lb pail
0117040WMS 40 lb pail
0117120KG 120 lb keg
0117400DR 400 lb drum



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Special packaging sizing available upon request.

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