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 620

Sealant/Lubricant for WKM Type Valves


Chemola™ Desco 620 is a “peanut butter” type of synthetic lubricant/sealant used in gate valves with liquid and gas hydrocarbon service. It has a 100% synthetic fluid base and is also available in a softer version referred to as “creamy.”

Recommended Uses
Aliphatic hydrocarbons, alkalis, dilute acids, salt water and water.

Typical Characteristics

Appearance Brown, "peanut butter"
NLGI 0/00
Penetration (ASTM D217) 355-385 / 410-415
Worked Penetration, 60x (ASTM D217) 355-385 / 410-415
Base Oil Natural and synthetic
Base Oil Viscosity 500 cSt at 40°C
Base Oil Pour Point -4°F (-20 °C)
Thickener Inorganic
Additives Antioxidant package
Solids Content Natural minerals
Specific Gravity 1.5
Density (lb/gal) 12.6
Dropping Point (ASTM D566) >500°F (260°C)
Flash Point >450°F (232°C)
Temperature Range 0°F to 300°F (-18°C to 149°C)



Packaging Information

Item Number Unit Size 
0801010QB 10 lb can
0801020WMS 20 lb metal pail
0801050WMS 50 lb metal pail
0801150KG 150 lb keg
0801400DR 400 lb drum


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For Use In Gate Valves.
Do Not Use On Oxygen Services.

Special packaging sizing available upon request.

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