Tribologie W

Washing petroleum
Previously a cleaning fluid for machine components – is today superseded by modern VOC-free or low-VOC cleaning agents.
 

Water hazard classes (WGK)
There are three categories of substances that are a hazard to water. These are classified in the following classes according to their physical, chemical and biological characteristics in line with the hazard they represent:
WGK 3: Highly hazardous to water
WGK 2: Hazardous to water
WGK 1: Slightly hazardous to water
 

Water resistance
There is a static and dynamic test to examine the performance of lubricating greases when exposed to water. The influence of water on lubricating grease when exposed to various temperatures is examined. DIN 51 807 P1/P2.
 

Water-miscible coolants
Water-soluble coolant, water-mixed coolant and coolant emulsions (oil in water) for cooling and lubricating when working materials – see coolant.
 

Wear
Wear, abrasion, etc.
 

White oils
Highly refined mineral oils that are as clear as water or slightly yellow. A distinction is made between technical and medical white oils.
 

White spirit
High-boiling special benzin, with a boiling range >55°C.
 

Wire rope lubricants
Lubricating greases and special lubricants for lubricating and preserving wire ropes; generally pre-diluted for better wetting.
 

Wool fat
Wax obtained when cleaning sheep's fleeces before processing. Is used as an additive to anti-corrosion oils and greases – see lanolin.
 

Worked penetration
The worked penetration is used to identify the consistency of lubricating grease and allows the suitability of the lubricating grease for certain applications to be assessed. Test method: Cone penetration into a sample of lubricating grease that has previously been worked. DIN 51804 P 2.
 

Have you got any questions about a lubrication task?
BUCHER-MOTOREX's After Sales Department will be pleased to help you.