Unless they [TM Technologies] have changed their hoses they are
for acetylene only. Propane will eat them.
This is true, but the company claims a somewhat lesser lifespan when
used with propane rather than acetylene, but the hoses still work. I
have used a set with propane and a Meco Midget torch for several
years and they are simply the best hoses I have used. They are light
and flexible and great to work with. If the tradeoff is a shorter
lifespan, I’ll take it! I do, however, watch for any sign of