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which CA for filling seams?


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#1 c.smith10

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Posted 25 August 2011 - 04:13 PM

What is the recomended CA for filling seams? I currently use zap-a-gap but im sure it shrinks when it dries, i filled a small sesm last night and when i came back to it this morning i could still see the seam

#2 little-cars

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Posted 25 August 2011 - 04:50 PM

Have you tried Vallejo putty in the seams ?

#3 c.smith10

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Posted 25 August 2011 - 05:39 PM

honestly, no i havent, i seem to have tried almost everything else but cant get the seams looking nice, im currently trying some mr surfacer 500 to see how that works out!

#4 little-cars

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Posted 25 August 2011 - 06:25 PM

Vallejo filler is an acrylic (marble dust). the tube has a 1mm opening, so you can apply it straight to the model, then wipe off the excess before it dries.

#5 hgbn

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Posted 25 August 2011 - 06:33 PM

I use Loctite super glue for all my filling stuff and no accelerator. if I have a large gap I put in some stretched sprue before applying glue. let it dry and sand the excess glue. you may have to fill it twice.

#6 chadders

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Posted 25 August 2011 - 06:35 PM

I'm a convert to the Vallejo putty. Very easy to use, apply, wipe off the excess with a cotton bud moistened in water, and that's it. I would also suggest using some kind of plastic weld as opposed to regular cement, as this will eradicate most seams during the construction process. I'm using some EMA at the moment that i bought at SMW last year, having run out of Pro Weld, and I'm very pleased with it.

#7 c.smith10

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Posted 25 August 2011 - 07:15 PM

I'm a convert to the Vallejo putty. Very easy to use, apply, wipe off the excess with a cotton bud moistened in water, and that's it. I would also suggest using some kind of plastic weld as opposed to regular cement, as this will eradicate most seams during the construction process. I'm using some EMA at the moment that i bought at SMW last year, having run out of Pro Weld, and I'm very pleased with it.

im using humbrol liquid poly at the moment and tried the method of wicking the glue along the seam then pressing the parts together and welding them but i didn't get much melted styrene coming from the joint and it still left me with a seam after sanding so i might get a glue thats a little hotter and see if that helps.

#8 Ronnie

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Posted 26 August 2011 - 09:38 AM

I use Loctite with baking powder, as per this link http://spruecutters....ing-powder.html

I've found this works well, as long as you're quick. There have been some reports that joints made in this way can react adversely after time - but I've not experienced this (yet) :pray:

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#9 Jon Kunac-Tabinor

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Posted 26 August 2011 - 09:47 AM

Super glue mixed with talc - makes a great filler for seams - you can alter the thickness by how much talc you add, and it sets up quickly but has some working time. Sand as soon as its hard though.

I'm, a convert to this stuff after trying it recently.

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#10 Mike

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Posted 26 August 2011 - 10:08 AM

In my experience some super glues do shrink when curing. I had terrible trouble eradicating the seams on my Global Hawk when I was using Filla-glu, but have just successfully done a whole bunch of seams in resin using some cheap Javis (?) glue that I got from ABC before they closed. I'm looking into sourcing some from elsewhere, as I can get it really cheaply compared to "modeller's" CA, so watch this space ;)




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