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Topic: Different sources of polystyrene for shrinky dinks  (Read 1298 times)
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msminnamouse
« on: February 17, 2012 12:25:35 AM »

Can anyone experimented with polystyrene wall veneer, insulation, wall paper lining, etc.? They come in rolls. (These may all be the same thing, I dunno.)
« Last Edit: February 23, 2012 11:26:57 AM by msminnamouse » THIS ROCKS   Logged
msminnamouse
« Reply #1 on: February 22, 2012 05:48:01 PM »

No one?

Well, I've give it a try if it's cheap enough and report back here with my findings.
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Diane B.
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GlassAttic --polymer clay "encyclopedia"


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« Reply #2 on: February 23, 2012 08:56:20 AM »

Plastics are complicated!  It would be helpful if we knew what you wanted to use the polystrene for.

I didn't reply myself because I don't know of any polystyrene that comes on rolls, or as wall veneer or wall paper lining.  There are various other kinds of plastics that come on rolls (e.g., polyvinylchloride or "cling wrap," or wallpapers made from that or from acrylic vinyl, etc) since most plastics --except for the polystyrenes I think?--can be made thin though to become films (sheeting).**

I do know some things about using the kind of polystyrene foam that's sold in often-thick rigid sheets as various kinds of insulation (XPS, or extruded ps foam), and also about the kinds of ps foams that come as packing material or are used for making foam plates, cups, take-out boxes, etc (EPS, or expanded ps foam)...those also come as various ps foam shapes and sheets sold at craft stores (incorrectly referred to as "Styrofoam".)
There is also clear polystyrene which isn't foamed, and that comes as rigid plastics for "hard" boxes, etc, as well as clear and often flexible/"softer" plastics used for salad takeaway boxes, some disposable cups, etc.

The often-flexible clear polystyrene and (at least the expanded) polystyrene foams will shrink when heated sufficiently, and can be used like shrink plastic.
The foamed polystyrenes can be shaped for sculpting (or any reason) by being sanded/rasped, cut with serrated knives, or with "hot" tools since those will melt right through them leaving melted smooth areas behind. 

You can read more about the types of polystyrene and their functions on these two pages at my site if you're interested:
http://glassattic.com/polymer/covering.htm > Recycle #6 (and the various sub-categories under that)
http://glassattic.com/polymer/MISC.htm > Melting, Softening, or Shrinking Plastics >> Shrinking

**For even more on the types of plastic, and what kinds of things they're made into:
http://plastics.americanchemistry.com/Plastic-Resin-Codes-PDF
...or click on the link to that pdf from here:
http://plastics.americanchemistry.com/Plastic-Resin-Codes



« Last Edit: February 23, 2012 09:17:42 AM by Diane B. » THIS ROCKS   Logged

POLYMER CLAY "ENCYCLOPEDIA" 
http://glassattic.com/polymer/contents.htm
few of my photos
http://s96.photobucket.com/albums/l163/DianeBB
(had to move them from YahooPhotos, so many now without captions)
msminnamouse
« Reply #3 on: February 23, 2012 11:28:12 AM »

Thank you, I'll bookmark those links.

I forgot to mention that I'm talking about for shrinky dinks. I edited the title to include that.
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Diane B.
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GlassAttic --polymer clay "encyclopedia"


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« Reply #4 on: February 24, 2012 10:36:13 AM »

The product called "Shrinky Dinks" is just one brand of shrink plastic though...and that product started out as only pre-printed sheets of shrink plastic. 
Other brands of shrink plastic are PolyShrink (by Lucky Squirrel), ShrinkSheets (by Computer Crafts), ShrinkArt, ShrinkPlastic, Super Color Shrink, Grafix (not so good), and even Ultra Thin (Vesta Abel/ArtSeeds).  Some brands are no longer made, or there may be newer ones too. Many brands make versions too (inkjet, for one), and different colors or degrees of transparency.

I know a lot of people call all shrink plastics by the brand name Shrinky Dinks (sort of like calling all tissues "Kleenex," all acetaminophen tablets "Tylenol," or all petroleum jelly "Vaseline," etc), but that can make others think all the shrink plastic sheets sold are the Shrinky Dinks brand.  So I generally try to avoid that situation and use the name Shrinky Dinks only if I'm referring to that particular brand of shrink plastic.

P.S.  I'm a little confused though about what sheets of shrink plastic have to do with "wall veneer, insulation, wall paper lining, etc, that comes come in rolls" ??
« Last Edit: February 24, 2012 10:46:36 AM by Diane B. » THIS ROCKS   Logged

POLYMER CLAY "ENCYCLOPEDIA" 
http://glassattic.com/polymer/contents.htm
few of my photos
http://s96.photobucket.com/albums/l163/DianeBB
(had to move them from YahooPhotos, so many now without captions)
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