Description
Gear PG synthetic oils based on polyglycol with very good low-temperature characteristics, thermal and oxidation stability and friction reducing properties. Reduce friction and increase the efficiency of heavy-reducers. Are used primarily for lubrication of worm gear (pair of friction “bronze-steel”), as well as for the circulation lubrication systems of bearings (e.g., calenders of paper machines). Gear PG should not be used for bronze alloys containing aluminum.
Advantages
- Exceptional extreme pressure properties and wear protection of critical parts and equipment units
- A high level of protection in charge of gears from micropitting micropitting
- protection against rust and corrosion during operation
- Resistance to foaming
- Excellent lubricity characteristic of fully synthetic lubricants
- low coefficient of friction, which increases efficiency and reduces the average bulk temperature of the oil system and
- It is a good thermal and oxidation stability that reduces the formation of sludge and deposits.
Applications
Series oils MASPROM Gear PG are specifically designed for the lubrication of worm gears, especially for those which operate under severe conditions as in the food and other industries. Products of this family also have proven to be excellent lubricants for various types of industrial gear and rolling element bearings operating under severe operating conditions. Furthermore, low miscibility with hydrocarbons makes oils of lower viscosity is particularly effective at compressing hydrocarbon gases. At the same time these systems a drop in viscosity slows down, compared with compressor oils based on hydrocarbons.
Specifications
Indicator
| 220
|
Class of viscosity ISO
| 220
|
cSt at 40? C
| 220,0
|
cSt at 100? C
| 38,1
|
Viscosity Index, ASTM D 2270
| 225
|
Density at 15 ° C, ASTM D4052
| 1,077
|
Pour Point, ASTM D 97,? C
| -33
|
Flash Point, ASTM D 92,? C
| 265
|
Corrosion of the copper sheet, ASTM D 130, 24 h at 100? C
| 1B
|
Rust Protection, ASTM D 665, Distilled Water
| Satisfactory
|
The diameter of the wear scar on four-ball machine, ASTM D 4172, mm
| 0,4
|
EP properties to stand GEAR FZG, failure load stage according to ISO
| 12 +
|
Additional information
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