Doing a bit of research on plastic zipper lubes for canvas I found several opinions. Products mentioned positively were:
petroleum jelly Sailkote McLube McNett Zip-Tech GairAid Zipper Lube (formerly McNett Zip-Tech) Star Brite Zipper Lube Several others. Most seemed to work OK. One criticism of zipper lubes was residue that would collect dirt and grime. The one that seemed to have the best reviews from sailors and canvas makers was the McNett/GearAid. I ordered some. I can also use it on the rubberized zippers of my snow ski jacket. :) Any comments on zipper lubes from the listers? Dennis C.
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