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The test grease is inserted into the container and the plunger is stroked 60 times while the test apparatus and grease are maintained at a temperature of 25 °C. Once worked, the grease is placed in a penetration test apparatus. This apparatus consists of a container, a specially-configured cone and a dial indicator. The container is filled ...
The measure of the consistency of a lubricating grease is commonly expressed by its NLGI consistency number, defined by the NLGI in the “standard classification of lubricating grease”. The NLGI consistency number is used in several standards: ASTM D4950 , SAE J310 and ISO 6743-9 “lubricants, industrial oils and related products (class L ...
The heat is reduced until the test tube temperature is at most 4 °F (2.2 °C) less than the oil/block temperature. Once the temperature has stabilized the sample is inserted. The dropping point is the temperature recorded on the test tube thermometer, plus a correction factor for the oil/block temperature, when a drop of grease falls through ...
Castrol India Limited is an automotive and industrial lubricant manufacturing company. Castrol India is the 2nd largest manufacturer of automotive and industrial lubricants in the Indian lubricant market and owns around 20% [4] [failed verification] market share in the overall Indian lubricant market. [5] It is part of Castrol Limited UK (part ...
A new set of specifications, GF-5, [29] took effect in October 2010. The industry had one year to convert their oils to GF-5 and in September 2011, ILSAC no longer offered licensing for GF-4. After nearly a decade of GF-5, ILSAC released final GF-6 specifications in 2019, with licensed sales to oil manufacturers and re-branders to begin in May ...
[2] Chemical substances – additives – are added to the base oil in order to meet the quality requirements for the end products in terms of, for example, friction and cleaning properties. Certain types of motor oils contain more than twenty percent additives.
Castrol was founded by C.C.Wakefield in 1899, making lubricants (Wakefield lubricator) for railways. The research site is based at Bozedown House, a former private residence originally built by William Fanning c.1870 and then rebuilt by Charles Palmer in 1907 [2] after the original house was destroyed by fire. It became a chemical research site ...
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