Reply To: Oxy Acetylene or Oxy Propane?

[Neil WyattModerator @neilwyatt]

Posted by Michael Gilligan on 04/10/2018 13:37:56:

Posted by Neil Wyatt on 02/10/2018 17:41:38:

You can't get true MAPP gas anymore.

MAPP was a trademark and those which are now sold are normally 'MAP' and actually propylene based and not as effective.

If you look at the blurb under the Screwfix 'MAPP' you''ll see it describes it as 'MAP'.

oxy-MAP/Propylene works hotter than oxy-propane but not as hot as real MAPP was.

Neil

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… and just to add to the confusion, Rothenberger also lists MAPP: **LINK**

https://www.rothenberger.co.uk/en/products/-/7-mapp-gas-special-gas-mix-for-highperformance-soldering-work/

MichaelG.

Interesting! gas. That appears to be genuine MAPP^® Perhaps it has come back into production? There's clearly a market for it.

Correction, they have the trademark but the MSDS shows it is a butane propylene mix, not the original MAPP.

What would be interesting is someone's experience of using the current propylene-based systems in anger. Will it weld or cut steel?

Neil

Edited By Neil Wyatt on 04/10/2018 14:48:34