Applications Applications Applications Applications
Lube Additives for Industrial Gear Oils
Overview:
Industrial gearboxes face high loads, water ingress, and particulate contamination; additive resilience is critical for long drains and reliability.
Why an additive package is required:
- Deliver EP/antiwear protection against scuffing and micropitting.
- Provide rust and yellow-metal protection in wet or corrosive environments.
- Ensure foam control, air release, and water separation for stable film thickness and cooling.
Typical additive families employed:
Sulfur–phosphorus EP, AW boosters (including phosphorus/boron chemistries), antioxidants, demulsifiers, anti-foam, corrosion inhibitors/metal deactivators.
Indicative performance tests:
FZG (ISO 14635), demulsibility (ASTM D1401), foam (ASTM D892), rust (ASTM D665 A/B), copper corrosion (ASTM D130), micropitting (ISO 15144).
Recommended PX Products
|
Product
|
Function
|
Dosage
|
|---|---|---|
|
PX 3239
|
Copper Deactivator
|
0.02 – 0.05
|
|
PX 3237
|
Silver Deactivator
|
0.02 – 0.05
|
|
PX 3841
|
Anti-foamant
|
0.05 – 0.30
|
|
PX 3849
|
Extreme Pressure/Antiwear
|
0.1 – 0.4
|
|
PX 3846
|
Extreme Pressure/Antiwear
|
0.1 – 0.4
|
|
PX 3862
|
Corrosion Passivator
|
0.1 – 0.5
|
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