Quote:
Originally Posted by Chas H
I'm sure it was. There are grades of kero other than K-1.
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There are only two grades and the only difference is sulfur content. 1-K is low sulfur and is for use in heating equipment without a flue.
Quote:
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Originally Posted by http://www.madsci.org/posts/archives/2001-04/986490196.Ch.r.html
...there are two grades of kerosene: 1-K and 2-K. The former grade is low-sulfur kerosene, with a maximum sulfur content of 0.04 percent by weight, and the latter can contain up to 0.30 percent sulfur. The sulfur content is important because the sulfur in the fuel forms some pretty nasty pollutants when the fuel is burned. Keeping the sulfur content as low as it is in 1-K kerosene allows the fuel to be burned without a flue to remove the exhaust products from the room (such as in a kerosene space heater). 2-K kerosene must be burned only in appliances with a flue.
Other than sulfur content, the two grades of kerosene have identical properties.
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