Products Features
Aviation
DESCRIPTION -
Grease PVK is easily applicable & gives smooth firm when applied to metal surface. It can work at the temperature range of -70°C to +80°C. Grease PVK is petroleum plastic grease, corrosion preventive, smooth, homogenous soft mass free from lumps, crust & visible water or gritty impurities..
Specification
APPLICATION :-Grease PVK is used for the protection of inner surface of torpedo tubes.
SPECIFICATION GRADE:- GOST 19537-83
CHARACTERISTICS:-
|
S. No. |
Properties |
Spec. data |
Test Method |
|
1. |
Appearance |
Homogeneous yellow to brown colour paste |
Visual |
|
2. |
Drop point,°C |
60-70 (min) |
IP:31
|
|
3. |
Creep point,°C |
50 (min) |
As per point 3.3
|
|
4. |
Mechanical Impurities, % |
0.07 (max) |
GOST 6379-53
|
|
5. |
Water Content, % |
Absent |
IP:74
|
|
6. |
Corrosion Test at 100°C for 3 hrs |
Withstand the test |
As per point 3.4 |
|
7. |
Content of water soluble acid, % |
Absent |
GOST 6307-75 |
|
8. |
Protective properties |
Withstand the test |
As per point 3.8
|
|
9. |
Acid number, mg of KOH/gm of grease, |
1.0 (Max.) |
IP:37 |
EQUIVALENT GRADE:- Grease PVK is equivalent to nyco grade NYCO GREASE GN 969 and aero shell grade SHELL ALVANIA GREASE RL1.