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A Question for Sprue'n'Glue Users

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7 replies
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  • Member since
    April 2004
  • From: Georgia
Posted by Screaminhelo on Saturday, October 29, 2011 11:38 AM

Thanks for the reply!   What is your typical cure time?  Using a solvent that is about 60/40 MEK to acetone, I am having to wait as long as 24 hrs before I can even do some minor trimming with a knife and as much as 72 hrs before I can file/sand it.  I will be trying an updated solvent ratio when I get back to the States (more MEK for faster cure) and, hopefully it will be a bit more modeler friendly.

 

Mac

I Didn't do it!!!

  • Member since
    August 2008
Posted by tankerbuilder on Thursday, October 27, 2011 4:08 PM

In case you are curios,I have used this method for years.For the thicker stuff I makeup a half bottle of glue to half bottle of styrene chunks .I did learn one thing though.Don,t mis plastic from different kits .Make some for your TAMIYA kits , REVELL kits ad infinitum.The reason for this is the plastic formulation might be slightly fro differeny makers and it could remain sticky too long .The best formula is to Use half a bottle of glue and then fill it to the top with EVERGREEN plastic strip . For stiffer " STUFF " add more plastic after the first melts in .      tankerbuilder

  • Member since
    June 2008
  • From: Iowa
Posted by Hans von Hammer on Thursday, August 11, 2011 11:34 AM

No problemo...

  • Member since
    April 2004
  • From: Georgia
Posted by Screaminhelo on Wednesday, August 10, 2011 3:30 PM

I am using it as putty, but the idea of using rods could be helpful in parts of my project.  Thanks for the idea!

 

Mac

I Didn't do it!!!

  • Member since
    June 2008
  • From: Iowa
Posted by Hans von Hammer on Wednesday, August 10, 2011 1:20 PM

Uh-oh...

Are asking about a sprue "paste" or "putty", where you take little bits and melt them with solvent?  If so, then I'm not helping you much, since we're talking about two different things.... Sorry about that...  Embarrassed

I don't make a "mix"... I lay sprue "rods" down into the openings that need filling, then add the glue.... After that, I just sand to shape..

 

  • Member since
    April 2004
  • From: Georgia
Posted by Screaminhelo on Wednesday, August 10, 2011 12:12 AM

To what consistency do you make your mix?  I am assuming fairly thin since you apply with a brush.

 

Mac

I Didn't do it!!!

  • Member since
    June 2008
  • From: Iowa
Posted by Hans von Hammer on Tuesday, August 9, 2011 9:04 PM

I just use Testor's Pink Label liquid cement for that... I can generally sand the filler-sprue in about 20-30 minutes.. I apply it with a brush (a decent-pointed sable, #2 or so , not the cap-brush)...

 

 

 

  • Member since
    April 2004
  • From: Georgia
A Question for Sprue'n'Glue Users
Posted by Screaminhelo on Thursday, July 28, 2011 12:47 PM

After having successfully formulated a decent solvent glue from what I have available here (acetone and MEK). I decided to try using sprue'n'glue as a filler rather than ordering some filler and waiting for it to arrive.

My questions are:
1) What cure time do you get using commercial solvents?
2) What consistency do you prefer?
3) How do you prefer to apply it?

I really like the final results that I get but it is not workable at all for at least 4 hours and does not set hard for 8-12 hours.  I also get a lot of bubbles.  None of these issues is too bad but I would like to improve the formula.

 

 

Mac

I Didn't do it!!!

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