Products Features

Aviation & Army

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..

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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.