Gear and Transmission Lubricants

A full  scale axle  gear  unit is used  for this test. Before the test , the  parts  are cleaned as follows: immerse   in a 1 per cent so...

This test, which provides for  immersion  of a clean  copper strip in a  sample  of the  lubricant for a  prescribed  time  and  at a giv...

These methods provide  some  indication of the  coke forming tendencies  of oils and  hence have  little  application  to gear  lubricants...

In this  methods, the sample  is completely  oxidized  by wet  ashing  with  concentrated  sulfuric acid, concentrated  nitric  acid and ...

While the ASTM Methods and Fed. Test Method use the same sample  for  determination  of  several  metals, the IP  Methods  is  specific...