MOLITERM 23 4.5 kg high-temperature bearing grease with MoS2 Naftochem
Product code: MB-0682
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MOLITERM 23 – high-temperature bearing grease with MoS2
MOLITERM 23 Naftochem 4.5 kg is a specialist lubricating grease designed for rolling bearings, plain bearings and other friction points operating at elevated temperatures. It provides anti-wear properties within an operating temperature range of -20°C to +200°C.
Its formulation is based on mineral oil, a bentonite thickener and high-purity molybdenum disulfide (MoS2). The grease also contains antioxidant and corrosion-inhibiting additives. It is intended for industrial applications where protection of contacting surfaces and performance at elevated temperatures are important.
Applications of MOLITERM 23 grease
MOLITERM 23 is primarily used for lubricating:
- Rolling bearings operating at elevated temperatures.
- Plain bearings requiring anti-wear lubrication.
- Friction points in industrial machinery and equipment.
- Mechanical components operating at temperatures up to +200°C.
Grease selection should take into account bearing design, internal clearance, rotational speed, load and actual operating temperature.
What makes MOLITERM 23 Naftochem different?
- Operating temperature range from -20°C to +200°C – suitable for properly selected friction points exposed to elevated temperatures.
- Molybdenum disulfide (MoS2) – a solid lubricating component that contributes to anti-wear protection of contacting surfaces.
- Bentonite thickener – a formulation free from metal soaps.
- Corrosion-inhibiting additives – help protect lubricated metal components.
- Antioxidant additives – support the formulation's suitability for elevated-temperature applications.
- NLGI 2 consistency – defines the grease consistency grade.
When should you choose MOLITERM 23?
MOLITERM 23 is worth considering when a conventional lubricant does not meet the temperature requirements of a particular friction point and the application requires a grease containing MoS2.
It is intended for properly selected rolling and plain bearings and other contacting surfaces where anti-wear performance and resistance to elevated operating temperatures are important.
What should you consider before use?
The manufacturer does not recommend MOLITERM 23 for bearings driven by low torque or bearings with small radial clearance.
Before application, verify the equipment manufacturer's requirements and operating conditions. The grease dropping point is not equivalent to its maximum permissible continuous operating temperature.
Technical specifications – MOLITERM 23 4.5 kg
| Parameter | Value |
|---|---|
| Manufacturer | Naftochem |
| Product name | MOLITERM 23 |
| Net weight | 4.5 kg |
| Product type | Lubricating grease |
| Base oil | Mineral oil |
| Thickener | Bentonite |
| Solid lubricant | Molybdenum disulfide (MoS2) |
| Appearance | Homogeneous grease |
| Colour | Black-grey |
| NLGI consistency grade | 2 |
| Operating temperature | -20°C to +200°C |
| Worked penetration at 25°C | 284 (typical value) |
| Dropping point | 300°C (typical value) |
| Weld load | 315 kgf (typical value) |
| Corrosion test on steel (100°C / 3 h) | Pass |
| Corrosion test on copper (100°C / 3 h) | Pass |
Physicochemical properties are typical values specified by the manufacturer.
Storage
MOLITERM 23 should be stored in closed steel or polyethylene containers, protected against moisture, ultraviolet (UV) radiation and mechanical contamination.
The recommended storage temperature range is -20°C to +35°C. The manufacturer specifies a storage period of up to 3 years when suitable conditions are maintained.
FAQ – frequently asked questions
Is MOLITERM 23 suitable for bearings operating at 200°C?
Yes. The manufacturer specifies a maximum operating temperature of +200°C. However, bearing design, load, rotational speed and equipment requirements must also be considered before use.
Which types of bearings can be lubricated with MOLITERM 23?
The grease is intended for properly selected rolling and plain bearings. It is not recommended for bearings driven by low torque or bearings with small radial clearance.
Does MOLITERM 23 contain molybdenum disulfide?
Yes. Its formulation contains high-purity molybdenum disulfide (MoS2), which contributes to the grease's anti-wear properties.
Does a dropping point of 300°C mean the grease can operate at 300°C?
No. The dropping point is a physicochemical parameter, not the maximum permissible operating temperature. The manufacturer specifies an operating temperature range of -20°C to +200°C.
Is MOLITERM 23 a lithium grease?
No. It is a mineral oil-based grease with a bentonite thickener. According to the manufacturer, the product contains no metal soaps.
MOLITERM 23 Naftochem 4.5 kg is designed for properly selected bearings and industrial friction points requiring anti-wear lubrication at elevated temperatures.
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