 Tsiatim-201 grease as per GOST 6267-74
Tsiatim-201 grease - instrument antifriction frost-resistant lubricant.
Substitutes: Era, Zimol, Lita, TSIATIM-221
Scope: Low-shearing force friction units, aircraft facilities, radio equipment, electromechanical and other instruments and precision devices.
Key performance characteristics: satisfactory mechanical stability; low colloidal stability, frost- and water-resistance. High performance at the temperature range of minus 60 °С to plus 90 °С.
Composition: low-viscous lithium stearate-gelled petroleum oil; contains an antioxidant additive
Physiochemical parameters:
|
Parameter name
|
GOST values
|
|
Appearance
|
Homogeneous paste-like smooth substance; color: from light-yellow to light-brown
|
|
Melting temperature, °С, min.
|
175
|
|
Penetration at 25 °С
|
No
|
|
Effective viscosity at minus 50 °С and at the average strain velocity gradient of 10 s-1, Pa·s, max.
|
1100
|
|
Colloidal stability (released oil mass fraction), %, max.
|
26
|
|
Ultimate strength at 50 °С, Pa
|
250-500
|
|
Free alkali mass fraction, %, max.
|
0.1
|
|
Water content
|
---
|
|
Mechanical impurity content
|
---
|
|
Vaporization at 120 °С, 1 h, %. max.
|
25
|
|
Stability vs. oxidation, mg KOH per 1 g of lubricant, max.
|
3
|
|
Metal corrosive effect
|
Resistant
|
|
