English 
简体中文 
Português 
Italiano 
Deutsch 
Français 
Русский 
العربية 
Product Description
Coomcool Gear PAG 680 is fully synthetic gear lubricants based on carefully selected polyglycol fluids and containing antioxidant, rust-inhibiting and EP additives of high thermal stability.
Advantages
- Reduced frictional losses leads to reduced energy consumption and lower sump temperatures.
- Higher thermal stability, hence minimal formation of sludge and deposits.
- Better load-carrying properties and reduced wear compared with conventional mineral oils.
- Inherently higher Viscosity Index, with the lower pour point, results in a wider range of service temperatures.
Applications
Coomcool Gear PAG 680 is especially suitable for the high temperature lubrication of gears and bearings,particularly in large scale mills and calenders.
Typical Characteristics
| Property | Unit | PAG 680 | Test Method |
| Appearance | – | yellow liquid | Visual |
| Viscosity@40℃ | mm²/s | 680 | ASTM D445 |
| Viscosity@100℃ | mm²/s | 100 | ASTM D445 |
| Viscosity Index |
– | 240 | ASTM D2270 |
| Flash Point |
℃ | 280 | ASTM D92 |
| Pour Point | ℃ | -33 | ASTM D97 |
| Copper Corrosion | Rating | 1a | ASTM D130 |
|
Wear Preventive Characteristics@1hr, 40kg
|
mm | 0.35 | ASTM D4172 |
| Rust Test – distilled water @24 hrs | – | Pass | ASTM D665A |
|
FZG Gear Scuffing test – A/8.3/90
|
Failure Load Stage | 12 | ISO 14635-1 |
|
FZG Gear Scuffing test – A/16.6/90
|
Failure Load Stage | 12 | ISO 14635-1 |
