Desco 620 Sealant/Lubricant for WKM Type Valves

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.”

Service Recommendations:
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)

size		qty per box	part #
Cartridge		10	LL620200
Bulk	10 lb can 20 lb pail 40 lb pail 120 lb drum 400 lb drum		LL620010 LL620020 LL620040 LL620120 LL620400

Desco 620 Sealant/Lubricant for WKM Type Valves

Typical Characteristics

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