McRex Posted January 21, 2015 Report Share Posted January 21, 2015 I have used Tightbond "yellow glu" for all of my prjects except for cutting boards and outdoor furniture, for which i use so called "Ultimate wood glue", also by Tightbond. I recently bought a small stock of very old Cocobolo and am having trouble getting a bond with the above glues, due, I believe to the density and natural oils in Cocobolo. Even with a bisqueted joint, a cutting board glued with " ultimate woodglue is seperating and an experimental joint with freshly sanded Cocobolo with a large long grain glued surface with " yellow glue" popped apart with just one tap, as if there waqs waxwe paper between the pieces. Apart from screws and other mechanical fasteners, what kind od glues might " get a grip" on this stuff. I am afraid to design a glue only project, even if rabbet's, dado's and splines are involved until I can find adhesives that will bond to this oily material....... Suggestions?? Quote Link to comment Share on other sites More sharing options...
Boatworks Today Posted January 21, 2015 Report Share Posted January 21, 2015 For that I'd suggest using epoxy. Also, just before glue-up wipe all the mating edges with acetone to help remove the surface oils. Wipe down a few times until the papertowel is coming off clean. 1 Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 21, 2015 Report Share Posted January 21, 2015 You can use yellow glue, but like andy said, you need to wipe the oils off the surface before glue up. I did this about 4 years ago on a cocobolo guitar neck i made and the glue up was successful and proved itself over the years with string tension on a 7 string guitar. No joint failure or slippage. Quote Link to comment Share on other sites More sharing options...
..Kev Posted January 21, 2015 Report Share Posted January 21, 2015 Acetone and epoxy would be my choice.. Quote Link to comment Share on other sites More sharing options...
McRex Posted January 21, 2015 Author Report Share Posted January 21, 2015 Thanks for all of that! I will do some tests with both of the above. Maybe with the acetone and some joinery on larger surfaces, the yellow will suffice, but epoxy sounds best. As a newby to this site, I really appreciate the help! Quote Link to comment Share on other sites More sharing options...
RichardA Posted January 21, 2015 Report Share Posted January 21, 2015 Thanks for all of that! I will do some tests with both of the above. Maybe with the acetone and some joinery on larger surfaces, the yellow will suffice, but epoxy sounds best. As a newby to this site, I really appreciate the help! Welcome and know that everyone here is willing to help. Quote Link to comment Share on other sites More sharing options...
wdwerker Posted January 22, 2015 Report Share Posted January 22, 2015 Listen to Boatworks and TIDOS , clean w acetone and epoxy ! Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted January 22, 2015 Report Share Posted January 22, 2015 And welcome to the forum! Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 Just so you know, the only benefits you will gain from more costly epoxy is open time and outdoor glue longevity. If your piece is interior and a fairly basic glue up, dont waste your money, unless you want to. Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 To push epoxy on the guy is one thing if youre an epoxy fanboy, but to say it is the end all be all in this situation is just terrible advice and inaccurate. Quote Link to comment Share on other sites More sharing options...
..Kev Posted January 22, 2015 Report Share Posted January 22, 2015 Not all epoxy is super expensive and it is a better option on the oily woods. That's not saying that's what you have to do, just the 'best' option IMO. The advice is neither "terrible" or "inaccurate". Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 Epoxy is a better option based on what, experience or what magazines and online articles tell us? I used epoxy on two outdoor marine products, for everything else i have used yellow glue without failure. The neck i mentioned is a laminated cocobolo neck glued up using tb. That glue up is over 4 years old, went from georgia to long island, and even the closest inspection eliminates any inferiority claims when used correctly. Im not here to debate glues because i really dont care, but when the comments start piling up and people agreeing to go epoxy and skip over my post without having valid reason to do so is bad for the original poster. That is all. Quote Link to comment Share on other sites More sharing options...
..Kev Posted January 22, 2015 Report Share Posted January 22, 2015 There was nothing wrong with your post Freddie and I'm happy that worked for you. If you read the OPs original post, he was struggling with standard glue and looking for options. We gave him an option as did you, what's the problem? Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 The problem is i answered the question about yellow glue in my first response. You need to clean the surface oils off the wood, that is mandatory. Problem solved, we can all go on with our night now. Quote Link to comment Share on other sites More sharing options...
..Kev Posted January 22, 2015 Report Share Posted January 22, 2015 And BW answered with Epoxy before that.. Neither answer is "terrible" or "inaccurate". Not quite sure what you're looking for here Freddie? Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 Heres the issue Kev. One day somebody is going to google this page looking for the answer to a problem theyre having. After my post you give a thumbs up for epoxy, then steve adds listen to bw And tiods and use epoxy. Correct me if im wrong, but it seems like a stacked vote for epoxy with no real explanation right? Thats exactly how someone new to the craft will interpret this thread and it all comes down to lack of explanation and biased information because everybody thinks epoxy is so groovy and excellent. Quote Link to comment Share on other sites More sharing options...
..Kev Posted January 22, 2015 Report Share Posted January 22, 2015 Still don't see the problem Freddie. Obviously some of us thought Epoxy was the best answer. The OP asked a question and we answered based on our own experiences, including you. Just like everything on the internet, the reader has to take out what they want and leave the rest behind. If you have more issues, please pm me. Your point has been made here. Quote Link to comment Share on other sites More sharing options...
Coop Posted January 22, 2015 Report Share Posted January 22, 2015 Tie! Coco bolo is a bad choice for cutting boards 1 Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 Just sharing valuable information about my side of the glue spectrum where you guys failed to do so. Im surprised youre being so defensive about it because you love to give everyone advice on all corners of this forum but failed to indicate in this thread anything further than the word epoxy. Rant over. Quote Link to comment Share on other sites More sharing options...
wdwerker Posted January 22, 2015 Report Share Posted January 22, 2015 I have had yellow glue fail on oily woods even w acetone cleaning, maybe I didn't clean enough ? Maybe you got lucky? Who knows. Wasn't trying to dis you just voicing my experience . Fell asleep on the couch or I would have chimed in earlier. Quote Link to comment Share on other sites More sharing options...
..Kev Posted January 22, 2015 Report Share Posted January 22, 2015 Well, since you don't like our answers, perhaps you can try this.. http://www.wood-database.com/wood-articles/gluing-oily-tropical-hardwoods/ They're pretty dead set against water based glues such as Titebond. Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 Now that is good information kev. Although i had success in my situation, i cant disagree with the problems that can potentially arise. This is why prep is key. I will say again though, i have one hell of a sexy cocobolo glue up with yellow glue and even though i have nothing to say bad about your link, i hold dead proof in my hands that it works. Quote Link to comment Share on other sites More sharing options...
Boatworks Today Posted January 22, 2015 Report Share Posted January 22, 2015 Opinions Freddie, merely opinions. The purpose of the forum is to offer suggestions / work-a-rounds for a particular problem. Suggestions aren't offered with the intent of being the "supreme answer" and in that same breath should never be force fed. There's almost always more than one way to solve a problem . In your instance the glue worked and that's great. The OP was having an issue with it so others chimed in based on their experiences. There are a number of variables that can play into a glue failure; most likely it was lack of prep working with a new kind of wood. Noone's fault; Woodworking is a learning experience and I'm sure there was a lesson learned. Quote Link to comment Share on other sites More sharing options...
Freddie Posted January 22, 2015 Report Share Posted January 22, 2015 Well I'm happy now that we dissected this thread and both sides added information. It makes the thread worthwhile down the road for reference as well as the OP receiving his answer. Quote Link to comment Share on other sites More sharing options...
Byrdie Posted February 7, 2015 Report Share Posted February 7, 2015 Um, so should I use epoxy? j/k - don't want to poke any bears. lol I'm going to go with the old test it on some scrap and if it works, go for it! Quote Link to comment Share on other sites More sharing options...
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