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| CA and Cedar http://luthiersforum.com/forum/viewtopic.php?f=10101&t=26720 |
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| Author: | djmrozinski [ Fri Mar 26, 2010 6:42 pm ] |
| Post subject: | CA and Cedar |
Will CA glue work on cedar. I have been trying to use it with out any success. What am I missing. Help Dave |
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| Author: | Darrel Friesen [ Fri Mar 26, 2010 7:01 pm ] |
| Post subject: | Re: CA and Cedar |
What are you trying to glue Dave? Binding? |
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| Author: | djmrozinski [ Fri Mar 26, 2010 7:31 pm ] |
| Post subject: | Re: CA and Cedar |
I was going to use CA during the rosette install. Tried a little in the corner of the soundboard to make sure it didn't stain and I get anything to stick to it. I'm stumped. Dave |
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| Author: | JohnAbercrombie [ Fri Mar 26, 2010 8:07 pm ] |
| Post subject: | Re: CA and Cedar |
Dave- I've found the same thing when trying to use CA to quickly tack together pieces of softwood for 'quick and dirty' jigs and the like. There are several things going on, I think...this is just my very limited experience... -the CA is being wicked away by the very absorbent softwood -the CA cures at very different rates in different woods - some woods it's instant set (IRW) and some it seems to take forever (fir, cedar) - so when I 'test' the joint the CA hasn't set. I've used CA for rosettes- it's a good idea to pre-coat the inside of the 'channel' with a thin coat of shellac to keep the CA from wicking too far and possibly staining the topwood. I use quite a bit of CA- eventually, I basically 'flood' the rosette - and it does seem to hold. If you are putting a 'doubler' under the rosette later (a good idea, IMO), you can pre-drill a series of small holes in the bottom of the rosette channel. Before installing the doubler you can flood CA in, from the 'back' of the rosette- good insurance. You have the right idea- lots of testing before you 'commit yourself' with the top and rosette. Get a cedar 2x4 and some scraps and get the 'system' worked out..... Cheers John |
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| Author: | David R White [ Sat Mar 27, 2010 1:16 pm ] |
| Post subject: | Re: CA and Cedar |
I have used it to install rosettes in Cedar, with no problem. As John says, seal with shellac, flood with CA, and leave it for a while. |
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| Author: | Daniel Minard [ Sat Mar 27, 2010 1:50 pm ] |
| Post subject: | Re: CA and Cedar |
Cedar can wick the CA away so quickly, there's nothing much left for the joint. Could be what's happening... Also... I have had it stain darker brown cedar a horrible pee yellow. Not nice. Seal well before pouring on the glue. |
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