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)

PART#	UNIT SIZE	CONTAINER
LL620010	10 lb	Can
LL620020	20 lb	Can
LL620040	50 lb	Pail
LL620120	150 lb	Drum
LL620400	400 lb	Drum

Desco 620 Sealant/Lubricant for WKM Type Valves

Typical Characteristics

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