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ChevronTexaco Black Pearl® NLGI 2 Grease EP

Category Fluid , Lubricant , Urea Gellant
Manufacturer ChevronTexaco Corp
Trade Name Black Pearl®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ChevronTexaco Black Pearl® NLGI 2 Grease EP.pdf
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Material Notes:
FeaturesChevron Black Pearl Greases EP are multipurpose, extreme pressure, water-resistant greases.They are formulated with ISOSYN® base stock, a polyurea thickener, and rust and oxidation inhibitors. They are black in color and smooth and buttery in texture.ApplicationsChevron Black Pearl Greases EP provide outstanding film strength and adhesive properties. As a result, these products are particularly effective in providing superior wear protection in heavily loaded and shock load conditions.Chevron Black Pearl Greases EP stay in place, sticking to bearing surfaces and, thus, provide excellent lubrication under a wide range of operating conditions. They perform particularly well in roller bearings. These products provide exceptional water wash out results. They perform well in applications where cascading water or actual bearing submergence can occur. The rust inhibitors effectively protect bearing surfaces against corrosion. Pumpability is excellent over a wide range of temperatures as indicated by the Lincoln ventmeter test and the relatively low pressure drop in piping. Oxidation inhibitors ensure long life in storage and in use. In addition, Chevron Black Pearl Greases EP also perform well at high temperatures.
Physical Properties Metric English Comments
Viscosity Measurement 79
79
Viscosity Index; ASTM D2270
Saybolt Viscosity at 100°F 816 SUS
816 SUS
Saybolt Viscosity at 210°F 74 SUS
74 SUS
Kinematic Viscosity at 40°C (104°F) 154 cSt
154 cSt
ASTM D445
Kinematic Viscosity at 100°C (212°F) 13.5 cSt
13.5 cSt
ASTM D445
Mechanical Properties Metric English Comments
Four Ball Extreme Pressure, Weld Load 400 kg
882 lb (mass)
Weld Point
Four Ball Wear 0.420 mm
0.0165 in
Penetration 280
280
Worked (60 strokes)
350
350
Worked (100,000 strokes)
Penetration P(0), 1/10 mm 300
300
Timken Test 27200 g
60.0 lb
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 160 °C
320 °F
Minimum Service Temperature, Air -20.0 °C
-4.00 °F
Pour Point -15.0 °C
5.00 °F
ASTM D97
Flash Point 260 °C
500 °F
ASTM D92
Dropping Point 245 °C
473 °F
Descriptive Properties Value Comments
Bearing Rust Pass
Color Black
Corrosion, Copper Strip Test 3h 1a
Lincoln Ventmeter, psig at 30 s, at 0°F 800
Lincoln Ventmeter, psig at 30 s, at 30°F 350
Lincoln Ventmeter, psig at 30 s, at 75°F 300
Texture Smooth, Buttery
Thickener, % / type 18.2 / Polyurea Complex
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