What is the difference between antiwear and EP?

2025-01-13

Core Difference

Extreme pressure (EP) additives tackle metal sintering/welding under "extreme pressure and high temperature", while anti-wear (AW) additives solve wear problems under "medium and low loads".

Key Differences

1. Application scenarios: EP additives are used for heavy loads and high temperatures (e.g., gear transmission); AW additives are used for medium and low loads (e.g., daily engine operation).

2. Working principles: EP additives form high-temperature-resistant protective films through chemical reactions to prevent metal adhesion and welding; AW additives mostly form adsorption films to reduce surface friction.

3. Common types: EP additives often use sulfur/phosphorus/chlorine-based compounds.

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Shenyang Economic and Technological Development Zone, Shenyang Economic and Technological Development Zone, Shenyang Economic and Technological Development Zone, Shenyang Province, Liaoning Province

Antiwear Additive

Antioxidant Additive

Copper Corrosion Inhibitor

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Metal Deactivator

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Antiwear Additive

Antioxidant Additive

Copper Corrosion Inhibitor

Gear Oil Additive Package

Hydraulic Oil Additive Package

Engine Oil Additive Package

Motor Oil Additive Package

Antifreeze Coolant Additive

Metal Deactivator

Oil Additive Package

What is the difference between antiwear and EP?

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Antiwear Additive

Antioxidant Additive

Copper Corrosion Inhibitor

Gear Oil Additive Package

Hydraulic Oil Additive Package

Engine Oil Additive Package