Dear michael, thank you for your suggestion!
I thought those folks are more concerned in welding metals rather then
my question was about a very pratical situation, if somebody knows about
welding neoprene or other types of rubber.
In the rubber industry, we typically use adhesives (depends on applications,
there are many kind of adhesives can be used) to bond rubber parts together
after heat curing process. Neoprene (chlorinated rubber) is not a difficult
material to bond, according to our experience. Conversely, silicone rubber
is very difficult to bond, so special silicone based adhesives shall be
Strictly speaking neoprene (polychloroprene) is a themoset polymer and can't be
welded. I believe I've seen a process where sheets of neoprene are joined
together to make roofing systems by using a hot melt type adhesive and an
electric seaming machine. This may be called electrowelding by some suppliers.
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