Model Boat Mayhem

Technical, Techniques, Hints, and Tips => Engineering Techniques and Materials. => Topic started by: ray123 on September 18, 2008, 09:47:06 pm

Title: glueing polystyrene
Post by: ray123 on September 18, 2008, 09:47:06 pm
hi all   does anyone know of a glue to glue polystyrene together  (without melting it ???)      regards ray
Title: Re: glueing polystyrene
Post by: andygh on September 18, 2008, 09:58:23 pm
In my old railway modeling days we used PVA, what's the application, stresses on the joint etc?
Title: Re: glueing polystyrene
Post by: Martin (Admin) on September 18, 2008, 10:21:54 pm
Superglue?
Title: Re: glueing polystyrene
Post by: Subculture on September 19, 2008, 06:36:16 am
Use epoxy. 5 minute stuff is more than strong enough. It won't melt the foam, and unlike PVA, it doesn't require air to dry.

Andy
Title: Re: glueing polystyrene
Post by: ray123 on September 19, 2008, 07:11:19 am
 hi all thanks for the info ill give it a 'go'  (what its for!!   is ive built a chip barge & now to finish it off  ineed to put a 'heap' of wood chips in )
 so i thought about glueing polystrene together to form a heap then shape it up & then glue wood chiping on  (well saw dust realy)  the size of the barge is 5ft x 2ft   regards ray
Title: Re: glueing polystyrene
Post by: Marks Model Bits on September 19, 2008, 07:40:07 am
Silicone sealant works well and is totally waterproof.

Mark.
Title: Re: glueing polystyrene
Post by: ray123 on September 19, 2008, 06:36:22 pm
thanks for the advise guys ill be giving it ago tomorow O0 ;) regards ray
Title: Re: glueing polystyrene
Post by: andyn on September 19, 2008, 07:58:18 pm
Superglue?


Was that a joke????

You'll have no polystyrene left....

UHU POR does it nicely, so does PVA, and so does FoamZap.
Title: Re: glueing polystyrene
Post by: alan colson on September 19, 2008, 09:49:35 pm
ray111
do you remember my working narrowboat? it just has a platform at the top of the hull covered with a thin layer of coal, underneath can be hollow, or in my case all the radio and batteries are below.
Alan
Title: Re: glueing polystyrene
Post by: David_S on September 19, 2008, 10:05:03 pm
Superglue?


Was that a joke????

You'll have no polystyrene left....

UHU POR does it nicely, so does PVA, and so does FoamZap.

I suspect you might be confusing polystyrene foam and polystyrene sheet. They have rather different properties.
Title: Re: glueing polystyrene
Post by: andyn on September 20, 2008, 03:36:23 pm
Unless it's blue, pink or EPP foam you're using, no they don't.

If you are, none of them are called polystyrene.
Title: Re: glueing polystyrene
Post by: David_S on September 20, 2008, 03:39:36 pm
Unless it's blue, pink or EPP foam you're using, no they don't.

If you are, none of them are called polystyrene.
You are obviously far better informed than I am, and indeed than the people who contribute to Wikipedia: http://en.wikipedia.org/wiki/Polystyrene

Title: Re: glueing polystyrene
Post by: StarLocAdhesives/FiveStar on September 20, 2008, 07:22:28 pm
you can use superglue, any superglue on polystyrene, polystyrene is the sheet plastic (for some reason known as styrene sheet by a lot of modellers), obviously you can use MEK weld or polyweld plastic cements as well

On EPS (polystyrene foam, expanded polystyrene, white foam( and most other foams)) you can use odourless cyanoacrylate (foam freindly superglue) (not the standard types), foam safe contact glues such as our Depbond (solvent based) or Depbond Pro.W (solvent free), PVA and Aliphatic resins are slow to dry but can be used on small areas , epoxy resins can be used with no problems as they have no solvents (never use polyester resin) , Most foaming polyurethane glues such as Xbond can be used as well