Grease VNII NP-231

                                                                TU 38.1011220-89

Product description:

      Grease VNII NP-231 is lubricated by thickening an organosilicon liquid with carbon black. According to its properties, it occupies an intermediate position between lubricants and semi-fluid pastes. The grease is characterized by high heat resistance, frost resistance, good extreme pressure properties.


      The grease is used for closed worm-screw mechanisms, low-speed rolling and sliding bearings. It is efficient at a residual pressure of 666.5 Pa and at temperature from - 60°C to + 250°C.

Characteristics of the grease:


Homogeneous black ointment

Viscosity, Pa · s:

- At 50°С and average strain rate gradient 1000 s-1, not less than

- At -50°C and medium speed gradient

deformations 10s-1, not more than





Strength limit at 80°С, Pa, not less


Colloidal stability at a load of 3 N, % of extracted oil, not more than


Evaporation at 200°С, %, not more than


Corrosive action on metals


Water content, %, not more than


Penetration at 25°С, mm, 10 s-1

Not rationed

Warranty period of storage is 5 years from the date of manufacture.


The can is 1,0 kg.



Company benefits

  • Individual approach to each client.

  • For us, good relationships are more important than immediate benefits.

  • High quality of manufactured products.

  • We are ready to develop necessary production together with our client and put it on manufacture in case of absence of such in our assortment.

  • Providing qualified advice by our technologists.

  • Promptness of order execution.

  • Constant quality control of basic and manufactured products.

  • Production delivery by our company can be carried out as own transport of the company and any convenient way for you (including self-delivery by your enterprise).


Scheme of work

  • 1. Call or e-mail

  • 2. Providing an advice if necessary

  • 3. Receipt of invoice

  • 4. Payment of goods

  • 5. Shipping by any means convenient for you