Talk:Corrugated plastic

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What on Earth does "a nil pH factor" mean? pH 0 is very strongly acidic, pH 7 is neutral (in aqueous solution at standard temperature and pressure). 131.111.228.219 11:45, 4 December 2007 (UTC)

I assume that since I have never gotten chemical burn from a plastic campaign sign that it would be pH 7 rather than 0. I changed the word nil to neutral to make the least impact on the article while addressing the ambiguity. Quickmythril (talk) 10:25, 5 January 2008 (UTC)