These days O-rings are available in many different materials such as PTFE, Nitrile (Buna), Neoprene, EPDM and Fluorocarbon (Viton) etc.
I have scrubbers systems in amine curing casting applications pumping conc H2SO4 with O-ring seals.
I use a touch of Vaseline on my torch O-rings just to...
Thanks M,
An excellent review of what looks like a great performer.
Based on your review I have just ordered one today as I need a torch that will light up plant rooms and large roof spaces.
Also one that I know will keep its charge if not used for a while as this was something that let me...