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Selection of coating resistance value for coal tar enamel on pipe lines

I want to know the coating resistance value for coat tar enamel and fusion bonded epoxy, which are in use on gas pipe lines.

[name deleted by editor at request]
esearcher - Cardiff, UK
2006

2006

Hi Niamat,

I may be wrong but I don't know of any 'value' for coal tar enamel (you said 'coat' but that seems to be a misspelling) and the word 'fusion' for epoxy sounds perhaps wrong ... fusion applies to thermoplastics not thermosets.

For the epoxies, try SHELL for data.

So they are coating gas lines. Interesting. I was told that one the last 2 earthquakes in Japan and in California, where line breakage occurred, it was with concrete, PVC and similarly made piping ... but the Polyethylene pipe DIDN'T BREAK.

Freeman Newton [deceased]
(It is our sad duty to advise that Freeman passed away
April 21, 2012. R.I.P. old friend).

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