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Cutting Cyanoacylate To Thin It Out....


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Okay! I'm considering attempting a grain fill with this black CA I bought but it is of medium viscosity and I would like it to be water-thin to seal the pores of my wenge/mahogany T-bird before oil finishing it. Would acetone cut cyanoacylate or are they incompatible?

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Update! I queried one of our environmental scientists to confirm what I suspect, and I was pretty much on the ball.

Because of the high volatility of acetone, the respiratory issues caused by CA fumes will be exacerbated, so using a charcoal mask is essential if working indoors. Outdoors, it's probably still best!

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When filling wenge, you'll want to use the regular medium or even "thick". The pores are so big that if you thin out the glue you would need maybe 4 applications of glue to fill completely. With thick it should be about done with 1 application with a little touchup fill here and there.

You may want to try it before thinning it out. Interesting to know I can thin it if it wanted to though.

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I've decided to go down the Tru-oil rout, despite wenge and mahogany being oil gannets which will require lots of coats. I'm not risking the health problems posed by accelerated volatilisation of CA and acetone! I actually tested a way of filling the pores black using sawdust and wax which has worked perfectly under the Tru-oil.

I can't stress enough how much worse the fumes will be if CA is cut with acetone!

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Thanks David - i've gone down the route of grainfilling back, sanding back lightly and Tru-oil'ing the guitar as you have done. I don't want a gloss finish so all i'm doing from here on in is to build up enough oil till the wood refuses (a lot!) and then hitting it back with 0000 wool and wax.

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