FETT 4600

NLGI 2-3

GREASE 4600 (FETT 4600) is a quickly biodegradable lubricating grease based on a special calcium soap. GREASE 4600 (FETT 4600) is primarily used as a sealing grease for main bearing seals in the front area of tunnel boring machines. Due to its consistency (NLGI 2/3) and the high base oil viscosity, the grease offers a very good sealing effect.

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Technical details

Field of application

GREASE 4600 (FETT 4600) is primarily used for the continuous lubrication of main bearing seals in the front area of tunnel boring machines.

Specifications

ME2-3G-20
DIN 51502

Document

Technical datasheet

Nice to know

Advantage

very adhesive
resistant to oxidation
work stable
high pressure-bearing capacity
very good resistance to cold and warm water
good corrosion protection properties

Remarks

Nice to know

What are biodegradable lubricants?

This means the biochemical decomposition of organic chemical compounds accelerated by microorganisms. Microorganisms such as bacteria, fungi, protozoa, etc. bring about biological degradation through what is termed bio-oxidation. This occurs in several stages, producing CO2, water, protein cell material and multiplication of micro-organisms.

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