Applications Applications Applications Applications
Lube Additives for Greases
Overview:
Greases must retain structure while providing EP/antiwear protection and corrosion resistance under contamination, vibration, and wide temperature ranges.
Why an additive package is required:
- Deliver EP/antiwear performance under shock and oscillatory motion.
- Resist oxidation of the base oil and protect against rust in wet environments.
- Enhance mechanical stability and adhesion to reduce leakage and washout.
Typical additive families employed:
EP (sulfur–phosphorus, solid lubricants where appropriate), AW, antioxidants, rust/corrosion inhibitors, tackifiers, anti-foam; metal deactivators for copper-bearing components.
Indicative performance tests:
4-ball wear/EP (ASTM D2266/D2596), copper corrosion (ASTM D4048), water washout (ASTM D1264), dropping point (ASTM D2265), EMCOR rust (ISO 11007).
Recommended PX Products
|
Product
|
Function
|
Dosage
|
|---|---|---|
|
PX 3239
|
Copper Deactivator
|
0.02 – 0.05
|
|
PX 3827
|
Silver Deactivator
|
0.02 – 0.05
|
|
PX 3849
|
Extreme Pressure/Antiwear
|
0.2 – 1.0
|
|
PX 3846
|
Extreme Pressure/Antiwear
|
0.2 – 1.0
|
|
PX 3861
|
Rust inhibitor
|
0.5 – 1.5
|
|
PX 3864
|
Rust inhibitor
|
0.25 – 1 1.5
|
|
PX 3865
|
Rust inhibitor
|
0.5 – 1.5
|
|
PX 3871
|
Friction modifier Grease Thickener
|
0.5 – 1.5
|
|
PX 3872
|
Friction modifier Grease Thickener
|
0.5 – 1.5
|
|
PX 3822
|
Dispersant Detergent
|
1.0 – 5.0
|
|
PX 4005
|
Dispersant
|
1.0 – 5.0
|
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