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Adhesive for styrene to plaster?

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  • Member since
    January 2008
  • From: Michigan
  • 167 posts
Adhesive for styrene to plaster?
Posted by AlreadyInUse on Tuesday, August 12, 2008 9:54 AM

What's the preferred adhesive to glue styrene to plaster? Is a latex primer for the plaster sufficent?

This is to glue an asphalt highway to its roadbed. Liquid Nails? Latex caulk?

You can never have too much glue
  • Member since
    December 2004
  • From: Bedford, MA, USA
  • 21,426 posts
Posted by MisterBeasley on Tuesday, August 12, 2008 10:05 AM

I used silicone caulk to glue hydrocal to styrene.  It's held up for a couple of years now, with no problems.  Somebody else on the forum recommended it.

Two things about silicone caulk, though:

1. It stinks as it's curing.  Use in a well-ventilated space.  Like, really.  This isn't just one of those California warnings.  It's an eye-burning, ammonia-like smell.

2. You can't paint silicone caulk.  Once it's cured, nothing will stick to it.  Make sure you don't get any on the surface of your model.

It takes an iron man to play with a toy iron horse. 

  • Member since
    January 2007
  • From: Eastern Shore Virginia
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Posted by gandydancer19 on Tuesday, August 12, 2008 2:25 PM

If you paint the plaster with latex paint, you should be able to use caulking compound, or the same thing that is used for gluing builders foam down. Liquid Nails has a foam board cement too. Just don't use something that will melt the styrene sheet.

Silicone caulk is good too as it sticks to just about everything. Use it sparingly so it doesn't ooze out, and fill in any cracks with Latex caulk after the silicone has dried.

Elmer.

The above is my opinion, from an active and experienced Model Railroader in N scale and HO since 1961.

(Modeling Freelance, Eastern US, HO scale, in 1962, with NCE DCC for locomotive control and a stand alone LocoNet for block detection and signals.) http://waynes-trains.com/ at home, and N scale at the Club.

  • Member since
    December 2006
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Posted by stebbycentral on Wednesday, August 13, 2008 3:38 PM
I use a silicone-based adhesive called E-6000.  I get it from my local Hobby Lobby, but should be available at just about any craft store.  It's clear, has a slightly less pungent odor than silicone calk, and comes in user-friendly 2oz tubes.  I just apply it to the bare plaster and it seems to work well enough, at least for joints that are under compression.  Not sure if it would work as well on joints that would be under tension. 

I have figured out what is wrong with my brain!  On the left side nothing works right, and on the right side there is nothing left!

  • Member since
    February 2005
  • From: Vancouver Island, BC
  • 23,330 posts
Posted by selector on Wednesday, August 13, 2008 5:44 PM
If you were to roughen the styrene surface, say with steel wool or 80-120 grit sandpaper, you could use pretty much anything that doesn't go on to attack the plastic, such as MEK.  The idea is to provide what is known as "tooth" for the adhesive.  I would seriously think of latex caulk, silicone caulk, Gorilla Glue, and even CA in gel form.  I would also readily use Goop, which comes in at least four 'flavours' and different coloured tubes.
  • Member since
    June 2005
  • From: Phoenixville, PA
  • 3,495 posts
Posted by nbrodar on Wednesday, August 13, 2008 8:36 PM

I use Tacky Glue from the craft store.

Nick 

Take a Ride on the Reading with the: Reading Company Technical & Historical Society http://www.readingrailroad.org/

  • Member since
    July 2006
  • From: Miltonfreewater, Or
  • 284 posts
Posted by RRTrainman on Thursday, August 14, 2008 3:48 PM
I use craft glue such as Tacky Glue for thing like that.  Its easier to remove the idem for you if you decide to change something later. 

4x8 are fun too!!! RussellRail

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