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Torches: experience with MAPP, substitutes?


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MAPP gas ceased production in 2008, so I was a little surprised to see it still recommended here on the MC site.

From http://en.wikipedia.org/wiki/MAPP_gas

The composition of the supplied gas has varied widely, with the gases as supplied by different repackagers/resellers at any one time varying, as well as the general composition varying over time, but a typical composition for an early Dow gas might be: methylacetylene (propyne) 48%, propadiene 23%, propane 27%. For a later Dow/Petromont gas propyne 30%, propadiene 14%, propylene 43%, propane 7%, C4H10 (isobutane, butane) 6% might be more typical.

The alternatives from Bernz-O-Matic ("MaxPower") and Worthington ("MAP//Pro") appear to be close to all propylene.

Any experience on with these non-propane alternatives in as far as leaving residual odors on the food?

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