I have had this same problem with fusible - it is the nature of some of them. Does anyone know if there is a brand that doesn't clog up like that?
there is a product called Misty Fuse that is wonderful.
here is their website, says it does NOT gum up.
http://www.thermowebonline.com/dyn_p...p=3522&k=86489
try writing to them? also they have a toll-free number