Hi Calin, Here is a link to some good hide glue info. It also has links to the manufacturer - additional info on their page. I bought some of the 3X Chrome from Joe G. and absolutley love it - best by far that I have ever used. My recommendation would be to use what better musical instrument makers use. And if you are re-gluing ribs to an old soundboard, consider that you are likely not mating clean surfaces together and clamping properly - hide glue might not be the best choice as I believe hide glue works best with well-mated surfaces and good clamping - although it does have a reputation for some gap-filling properties. I'd also consider epoxy. Terry Farrell http://www.frets.com/FRETSPages/Luthier/Data/Materials/hideglue.html > Calin asked: "What kind of glue is the "hide glue" used in piano > construction (gluing > soundboards, ribs etc.)? I have seen here 3 kinds for sale, one is called > "bone glue" - comes in small transparent brownish pellets, the second "fish > glue" - comes in transparent yellowish sheets; the third is called "rabbit > glue" - opaque brown small pieces, like shredded spaghetti. > So which one of these is what you use? > > Regards, > > > Calin Tantareanu
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