Nappa vs SEN
I've used both Nappa and SEM. In my experience, Nappa self etch did
Not adhere as well, scratchs off easily
and is not as durable as SEM. Also, over steel, they both will
rust through. Epoxy is by far the best way to go over steel. Also use epoxy on high wear areas.
Al Girard, Newport, RI
on the fuse.