Centaur XHP 221 Keg 50Kg
Mobil Centaur XHP 221 premium multipurpose grease has been formulated to lubricate rolling element bearings in industrial machinery operating at high temperatures under wet, heavily loaded conditions.
Features and Benefits
Mobil Centaur XHP 221 offers the following features and benefits :
Excellent resistance to water and corrosion
The calcium sulphonate thickener system protects against water washout and bearing corrosion under challenging conditions
Exceptional mechanical stability
Resists softening under mechanical shear in the presence of process water contamination.
High load carrying properties
Excellent extreme pressure protection at low to moderate speeds is provided by the grease thickener system.
Excellent thermal stability
Resists oxidation and oil separation at high temperatures, and provides excellent life in accelerated bearing life tests.
Applications
Mobil Centaur XHP 221 is recommended for lubrication of rolling element bearings in machinery operating at high temperatures where resistance to water washing and corrosion are important. Specific examples of such applications include :
Wet-end paper machine bearings
Heavily loaded industrial ball and roller bearings
Bearings in steel mill and mining operations
Specifications and Approvals
This product meets or exceeds the requirements of:
DIN 51825: 2004-06 KPF1-2G-20
Properties and Specifications
Property
Grade
NLGI 1.5
Thickener Type
Calcium Sulfonate
SKF Emcor Rust Test, Acidic Water, ASTM D6138
1 , 1
Water Washout, Loss @ 79 C, wt%, ASTM D1264
1
Color, Visual
Brown
Oil Separation, 30 h @ 100 C, mass%, ASTM D6184
0.5
Four-Ball Wear Test, Scar Diameter, mm, ASTM D2266
0.45
Oil Separation, 168 h @ 40 C, mass%, DIN 51817
0.3
Four-Ball Extreme Pressure Test, Weld Point, kgf, ASTM D2596
500
Viscosity Index, ASTM D2270
94
Viscosity @ 100 C, Base Oil, mm2/s, ASTM D445
18.7
Viscosity @ 40 C, Base Oil, mm2/s, ASTM D445
220
Dropping Point, C, ASTM D2265
>308
Timken OK Load, kg, ASTM D2509
55
SKF Emcor Rust Test, Distilled Water, ASTM D6138
1 , 1
Copper Strip Corrosion, 24 h, 100 C, Rating, ASTM D4048
1A
Penetration, 60X, 0.1 mm, ASTM D217
305
Corrosion Preventive Properties, Rating, ASTM D1743
Pass
