David Cragg wrote: > Will this sort of stuff work in a elsan toilet without eating holes > in it? Some years ago our oldest (and really comfy) elsan developed a > sort of brown emulsion finish that resists scraping and is too smooth > even for a chisel to shift. As the stuff is smell free etc it doesn't > seem to hurt but every so long we have a go at it!
Phosphoric acid should be OK on plastic. In fact the 100% stuff is supplied in plastic bottles (because it sets solid, and would crack glass). Ron Jones Process Safety & Development Specialist Don't repeat history, unreported chemical lab/plant near misses at http://www.crhf.org.uk Only two things are certain: The universe and human stupidity; and I'm not certain about the universe. ~ Albert Einstein
