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POLARIS Laboratories, LLC - Wear Metals Guide
Guide to Wear, Contaminant and Additive Metals
Metal |
Engines |
Transmissions |
Gears |
Hydraulics |
Iron (Fe) |
Cylinder Liners, Rings, Gears, Crankshaft, Camshaft, Valve Train, Oil Pump Gear, Wrist Pins | Gears, Disks, Housing, Bearings, Brake Bands, Shaft | Gears, Bearings, Shaft, Housing | Rods, Cylinders, Gears |
Chrome (Cr) |
Rings, Liners, Exhaust Valves, Shaft Plating, Stainless Steel Alloy | Roller Bearings | Roller Bearings | Shaft |
Aluminum (Al) |
Pistons, Thrust Bearings, Turbo Bearings, Main Bearings (Cat.) | Pumps, Thrust Washers | Pumps, Thrust Washers | Bearings, Thrust Plates |
Nickel (Ni) |
Valve Plating, Steel Alloy from Crankshaft, Camshaft, Gears from Heavy Bunker Type Diesel Fuels | Steel Alloy from Roller Bearings and Shaft | Steel Alloy from Roller Bearings and Shaft | |
Copper (Cu) |
Lube Coolers, Main and Rod Bearings, Bushings, Turbo Bearings, Lube Additive | Bushings, Clutch Plates (Auto / Powershift), Lube Coolers | Bushings, Thrust Plates | Bushings, Thrust Plates, Lube Coolers |
Lead (Pb) |
Main and Rod Bearings, Bushings, Lead Solder | Bushings (Bronze Alloy), Lube Additive Supplement | Bushings (Bronze Alloy), Grease Contamination | Bushings (Bronze Alloy) |
Tin (Sn) |
Piston Flashing, Bearing Overlay, Bronze Alloy, Babbit Metal along with Copper and Lead | Bearing Cage Metal | Bearing Cage Metal, Lube Additive | |
Cadmium (Cd) |
N/A | N/A | N/A | N/A |
Silver (Ag) |
Wrist Pin Bushings (EMS's), Silver Solder (from Lube Coolers) | Torrington Needle Bearings (Allison) | N/A | Silver Solder (from Lube Coolers) |
Titanium (Ti) |
Gas Turbine Bearings/Hub/Blades, Paint (White Lead) | N/A | N/A | N/A |
Vanadium (V) |
From Heavy Bunker Type Diesel Fuels | N/A | N/A | N/A |
Test packages can be customized to meet customer needs and priced accordingly.
Metal |
Engines |
Transmissions |
Gears |
Hydraulics |
Silicon (Si) |
Dirt, Seals and Sealants, Coolant Inhibitor, Lube Additive (15 ppm or less) | Dirt, Seals and Sealants, Coolant Inhibitor, Lube Additive (15 ppm or less) | Dirt, Seals and Sealants, Coolant Inhibitor, Lube Additive (15 ppm or less) | Dirt, Seals and Sealants, Coolant Inhibitor, Lube Additive (15 ppm or less) |
Sodium (Na) |
Lube Additive, Coolant Inhibitor, Salt Water Contamination, Wash Detergents | Lube Additive, Coolant Inhibitor, Salt Water Contamination, Wash Detergents | Lube Additive, Salt Water Contamination, Airborne Contaminate | Lube Additive, Coolant Inhibitor, Salt Water Contamination, Airborne Contaminate |
Potassium (K) |
Coolant Inhibitor, Airborne Contaminate | Coolant Inhibitor, Airborne Contaminate | Coolant Inhibitor, Airborne Contaminate | Coolant Inhibitor, Airborne Contaminate |
Test packages can be customized to meet customer needs and priced accordingly.
Metal |
Engines |
Transmissions |
Gears |
Hydraulics |
Molybdenum (Mo) |
Ring Plating, Lube Additive, Coolant Inhibitor | Lube Additive, Coolant Inhibitor | Lube Additive, Coolant Inhibitor, Grease Additive | Lube Additive, Coolant Inhibitor |
Antimony (Sb) |
Lube Additive | Lube Additive | Lube Additive | Lube Additive |
Manganese (Mn) |
Steel Alloy | Steel Alloy | Steel Alloy | Steel Alloy |
Lithium (Li) |
N/A | Lithium Complex Grease | Lithium Complex Grease | Lithium Complex Grease |
Boron (B) |
Lube Additive, Coolant Inhibitor | Lube Additive, Coolant Inhibitor | Lube Additive, Coolant Inhibitor | Lube Additive, Coolant Inhibitor |
Test packages can be customized to meet customer needs and priced accordingly.
Metal |
Engines |
Transmissions |
Gears |
Hydraulics |
Magnesium (Mg) |
Detergent Dispersant Additive, Airborne Contaminant at some sites | Detergent Dispersant Additive, Airborne Contaminant at some sites | Detergent Dispersant Additive, Airborne Contaminant at some sites | Detergent Dispersant Additive, Airborne Contaminant at some sites |
Calcium (Ca) |
Detergent Dispersant Additive, Airborne Contaminant at some sites, Contaminant from Water | Detergent Dispersant Additive, Airborne Contaminant at some sites, Contaminant from Water | Detergent Dispersant Additive, Airborne Contaminant at some sites, Contaminant from Water | Detergent Dispersant Additive, Airborne Contaminant at some sites, Contaminant from Water |
Barium (Ba) |
Usually an Additive from Synthetic Lubricants | Usually an Additive from Synthetic Lubricants | Usually an Additive from Synthetic Lubricants | Usually an Additive from Synthetic Lubricants |
Phosphorus (P) |
Anti-Wear Additive (ZDP) |
Anti-Wear Additive (ZDP) | Anti-Wear Additive (ZDP), EP Additive (Extreme Pressure) | Anti-Wear Additive (ZDP) |
Zinc (Zn) |
Anti-Wear Additive (ZDP) | Anti-Wear Additive (ZDP) | Anti-Wear Additive (ZDP) | Anti-Wear Additive (ZDP) |
Test packages can be customized to meet customer needs and priced accordingly.
Print Wear Metals Guide - PDF
7898 ZIONSVILLE ROAD 
INDIANAPOLIS, IN 46268-2177
10910 W. SAM HOUSTON PARKWAY N. SUITE 700
HOUSTON, TX 77064-6314
3060 CALIFORNIA AVE. SUITE B
SALT LAKE CITY, UT 84104
TOLL-FREE 877-808-3750
317-808-3750
FAX 317-808-3751
INDIANAPOLIS, IN 46268-217710910 W. SAM HOUSTON PARKWAY N. SUITE 700
HOUSTON, TX 77064-63143060 CALIFORNIA AVE. SUITE B
SALT LAKE CITY, UT 84104TOLL-FREE 877-808-3750
317-808-3750
FAX 317-808-3751© 2004-2008 POLARIS Laboratories, LLC. All Rights Reserved.