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a Glass Clear material???



 
 
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  #11  
Old January 29th 05, 10:07 PM
Javahut
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"rasmus" wrote in message
ups.com...
The polyester resin sound good, but does it adhere to glass?


If you look at any Silicone, or Silastic products, regardless of
manufacturer they have one thing in common. They yellow under UV light, so
if there is any sunlight exposed to this mosaic object, get ready for it to
yellow, radically and obviously. and the surface never gets hard, always
the rubbery "feel" to it.

Casting resin is neat stuff, here in the US, several years ago, and
somewhere they are probably still doing it, Cyprus stumps were made into
tables using the resin, brushed onto the stump portion to seal the surface,
(bugs were trapped inside?) and the resin was poured over the sliced tree
section to create the top, with a smooth as glass surface that was
impercious to "moisture rings" that plagued the "good" furniture.

The resin will most certainly stick to glass, but what it really is doing is
encapulating everything, it fills gaps under your tiles and seales the
surface also. Make a small experimental piece and try it. Should be
available across the pond, don't know why it wouldn't be. Its a hobby Item.



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  #12  
Old January 30th 05, 01:04 AM
rasmus
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If you look at any Silicone, or Silastic products, regardless of
manufacturer they have one thing in common. They yellow under UV

light, so
if there is any sunlight exposed to this mosaic object, get ready for

it to
yellow, radically and obviously. and the surface never gets hard,

always
the rubbery "feel" to it.


Okey, so Silicone yellow under UV light, that is no good.
Well, the Cyprus story was pretty convincing. Searching for Polyester
Resin on danish web-sites are pretty depressing though, it gives me
about 200 matches all about health care regulations and so. I am sure
they have it, they just like to pretend that they don't. I found one
place okey, but the resin wasn't transparent. Any Product Names that
can give me an entrance?

  #13  
Old January 30th 05, 06:31 AM
Mike Firth
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Try
casting resin Europe
pulls up a number of obviously non-safety items in Google.

--
Mike Firth
Hot Glass Bits Furnace Working Website
http://users.ticnet.com/mikefirth/hotbit47.htm Latest notes

"rasmus" wrote in message
oups.com...

If you look at any Silicone, or Silastic products, regardless of
manufacturer they have one thing in common. They yellow under UV

light, so
if there is any sunlight exposed to this mosaic object, get ready for

it to
yellow, radically and obviously. and the surface never gets hard,

always
the rubbery "feel" to it.


Okey, so Silicone yellow under UV light, that is no good.
Well, the Cyprus story was pretty convincing. Searching for Polyester
Resin on danish web-sites are pretty depressing though, it gives me
about 200 matches all about health care regulations and so. I am sure
they have it, they just like to pretend that they don't. I found one
place okey, but the resin wasn't transparent. Any Product Names that
can give me an entrance?



  #14  
Old January 30th 05, 07:05 PM
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On 29 Jan 2005 11:05:15 -0800, "rasmus" wrote:

I didn't know that silicone came in so many variations, even self
leveling silicone (that seems to be the thing). I am curious to try the
GE RTV655 from GE Silicones. But of course, when looking for
distributors of this product in Europe, I could not find any.
Well, now I have something to look for.
thanks...



Try http://www.tiranti.co.uk

It's the website for Alec Tiranti Ltd, who specialise in sculpting
materials, so deal in moulding materials (clay, plastic, silicone,
wax, etc). They also have the following polyurethane rubber:

'DE009 Crystal Cast Flexible Water-Clear Polyurethane Rubber.
Description: A liquid rubber compound designed for use in cast
sections of 2mm to 50mm. For applications that require absolute
clarity and resistance to sunlight. Applications include making clear
cut moulds, model reproductions, special effects and prototype parts.

(Caution: this product is intended for industrial use only. Please
read Technical Bulletin and MSDS before using.)

Crystal Cast DE009 cures at room temperature with negligible
shrinkage. Cured castings are clear, flexible and UV stable.

Mix ratio: 2.5A : 1B Shore A Hardness: 60 (at full cure)
At 20șC: Gel time: 20 - 40 minutes De-mould: 3 hours Full Cu 24
hours'

Sounds like the kind of thing you want ?

I used this compnay's products on a project about twenty years ago and
found them very helpful. They also have a shop (info for those based
in London), very good for browsing in.

If you're not sure how to start with their stuff, they sell useful
cheap booklets with quick how-to's and safety info. As I recall, most
of these items are pretty unpleasant to work with, and disposal is
tricky as they can self-combust.

Have fun

Martin @ Strawberry Hill

  #15  
Old March 6th 05, 02:38 PM
Steve Richardson
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I know this is an old thread, but for the record: I've used Goop products
many times for mosaics, and they have such a strong odor that I've quit
using them. We put tiles on a glass bottle once and the smell lingered for
literally weeks. I haven't heard of this problem from anyone else so maybe
it's just me, but that would be odd since I don't have a very good sense of
smell to begin with. Anyway, I'd try smearing some Goop on a small board or
something and see if the smell is objectionable after a few days before I
went ahead and used it on a large scale. Ditto for epoxies, as someone
suggested, although once they cure the smell drops off quickly.

- S Richardson
St Louis MO

"Mike Firth" wrote in message
...
Look at E-6000 and the related Goop products, most of which are clear.
E-6000 is self leveling, very strong, and clear and harder when set that
silicone. If exposed to UV it will gradually turn brownish and loose
grip. UV-6800 is more resistant and is supposed to be clear, I haven't
seen it. Marine Goop is clear, more pasty than E-6000 and supposed to be
more UV resistant. On the web site
http://eclecticproducts.com/goop/adhesives.asp by carefully examining the
various descriptions you can detect flow and UV resistance. I thought
there was a table but didn't find it. By the way, E-6000 is VERY stinky,
do not use it in the house unless you have superb ventilation and a strong
nose.
While GE Silicone adhesive is pasty, GE RTV (Room Temperature
Vulcanizing) is much more liquid and can be used for making flexible
detailed casting molds that will cast at molten lead temps for several
uses. It is normally a commercial product. Look at glass industry
suppliers like CRL and Somaca here in the states.
Because of the difference in expansion, I question whether resin (hi
expansion) will work with glass (lower expansion) or will pull away from
the edges. The silicone products are flexible.

--
Mike Firth
Hot Glass Bits Furnace Working Website
http://users.ticnet.com/mikefirth/hotbit47.htm Latest notes

"rasmus andersson" wrote in message
ups.com...
I am looking for a Glass Clear material that can be used as a
grout/joint(?) for a mosaic. The mosaic is made of small glass tiles so
the material has to adhere to glass,(and wood).
I have tried with an acrylic paste but it does not adhere very well to
the glass, and during evaporation it looses to much volume, and it
looks pretty yellowish and not transparent enough.
Does anyone here knows of a good tranparent product that might be a
solution.
(if available in europe, that would be a help too)
Thanks alot,
rasmus






  #16  
Old March 7th 05, 05:13 PM
Mike Firth
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Default

One of the things that people don't notice about Goop and E-6000 is that it
says right on the
package that it is a contact cement. Because of the way it looks, people,
including me, use it like
silicone adhesive - thick and stick it in place a leave it there. But that
traps the solvent and it takes a longer time to cure and stinks longer. But
if you apply the stuff, push the piece into place and lift it off for 20
seconds or so, and push it back, it sticks instantly (don't try to shift it)
and the odor disappears faster.
As I said below, E-6000 really stinks. I have found Goop variations to be
not so bad, but then I use them in my shop or outdoors when I can.

--
Mike Firth
Hot Glass Bits Furnace Working Website
http://users.ticnet.com/mikefirth/hotbit47.htm Latest notes

"Steve Richardson" wrote in message
m...
I know this is an old thread, but for the record: I've used Goop products
many times for mosaics, and they have such a strong odor that I've quit
using them. We put tiles on a glass bottle once and the smell lingered for
literally weeks. I haven't heard of this problem from anyone else so maybe
it's just me, but that would be odd since I don't have a very good sense of
smell to begin with. Anyway, I'd try smearing some Goop on a small board
or something and see if the smell is objectionable after a few days before
I went ahead and used it on a large scale. Ditto for epoxies, as someone
suggested, although once they cure the smell drops off quickly.

- S Richardson
St Louis MO

"Mike Firth" wrote in message
...
Look at E-6000 and the related Goop products, most of which are clear.
E-6000 is self leveling, very strong, and clear and harder when set that
silicone. If exposed to UV it will gradually turn brownish and loose
grip. UV-6800 is more resistant and is supposed to be clear, I haven't
seen it. Marine Goop is clear, more pasty than E-6000 and supposed to be
more UV resistant. On the web site
http://eclecticproducts.com/goop/adhesives.asp by carefully examining the
various descriptions you can detect flow and UV resistance. I thought
there was a table but didn't find it. By the way, E-6000 is VERY
stinky, do not use it in the house unless you have superb ventilation and
a strong nose.
While GE Silicone adhesive is pasty, GE RTV (Room Temperature
Vulcanizing) is much more liquid and can be used for making flexible
detailed casting molds that will cast at molten lead temps for several
uses. It is normally a commercial product. Look at glass industry
suppliers like CRL and Somaca here in the states.
Because of the difference in expansion, I question whether resin (hi
expansion) will work with glass (lower expansion) or will pull away from
the edges. The silicone products are flexible.

--
Mike Firth
Hot Glass Bits Furnace Working Website
http://users.ticnet.com/mikefirth/hotbit47.htm Latest notes

"rasmus andersson" wrote in message
ups.com...
I am looking for a Glass Clear material that can be used as a
grout/joint(?) for a mosaic. The mosaic is made of small glass tiles so
the material has to adhere to glass,(and wood).
I have tried with an acrylic paste but it does not adhere very well to
the glass, and during evaporation it looses to much volume, and it
looks pretty yellowish and not transparent enough.
Does anyone here knows of a good tranparent product that might be a
solution.
(if available in europe, that would be a help too)
Thanks alot,
rasmus








 




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