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Showing posts from October, 2018

Difference between Colourless and Straw yellow Jet A-1 properties

Difference between Colourless and Straw yellow Jet A-1 properties As given in  last blog article normally colour of Jet A-1  is either colourless, straw/yellow or a very little shade of blue, pink or red. Reason for each colour was explained in the article. Colour of Aviation turbine fuel depends upon a) composition of crude oil & 2) Refinery processes used in refining the crude.  (Read in detail  How the Aviation turbine fuel colour is colourless or straw/Yellow? ) . In this article we deal with differences between Colourless and straw yellow coloured fuel properties. 1.  Straight Run product   Straight run product is referred as Jet A-1 obtained straight from Atmospheric distillation unit in refinery or derived from natural Gases condensate liquids. Such Jet A-1 consist of natural original hydrocarbons of crude oil or  natural Gases condensate liquids as existing in the earth and separated from it by only physical processes. Since no chemical reaction