rubber  
We are designing some masters for casting some rubber characters(toys) that need to be flexible when complete. I have looked all over the web, and cannot find what material could be used for these cas...
Hi again. Was wondering if y'all could tell me what the very cheapest pourable rubber is and perhaps where I can order some from.
I just finished two sculptures in clay and want to cast them ...
A question from Holland Does anyone know wich rubber to use on skin. I use siliconerubber to make statues, but I can't use that on skin. Where can I buy such a rubber?
...oes anyone know if the heat build up in poured concrete containing a superplastisizer can destroy a latex rubber mold? I've had an experience recently in which the rubber literally seemed to melt...
Hi I'm looking for a decent book about rubber mold making techniques, any ideas?
Thanks from Bernice
I am wondering if rubber is ever used as a sculpture medium. I have been making small (about 7" long) semi-abstract figurative sculptures using clay, but I'm not happy with the process/resu...
i have a rubber mold but i want to put something in the middle if it what can i do
...tting back to moldmaking after a considerable break. I am wondering at what temperatures a paint on latex rubber will dry at. Its getting a little chilly in my basement these days.
Thanks...
...re.
The Vytaflex will react with the moisture in the clay which will result in foaming in the liquid rubber and bubbles in the cured rubber.
I am sure that is not what you want to happen.
I r...
...ues. You will want to extrude the models with plaster and then make an RTV (Room Temperature Vulcanizing Rubber) The rubber is very expensive but it will just be a one piece mole. You will need to ...
There are a number of web sites with instructions on making rubber molds. Your first choice is if you can allow part lines on the finished object. If not you need to go with a brush on rubber and crea...
The Polytek (many rubber and plastic compounds) website advises one and all: http://www.polytek.com/
'Thus, silicones' non-stick quality makes short run resin casting easy, but for hig...
I use a urethane plastic rather than silicon rubber and simply pour it in a box. The mold is 3-4 inches thick in places but this is OK. Check your specifications for elongation % at point of failure. ...
...red is because if you use any other sulfur containing oil based clay they need to seal the surface or the rubber will not cure - the sulfur inhibits the cure of the rubber as adhesives do, and supergl...
...and was horrible to clean up. I tried using a separator purchased at an art store. Then I used a paint on rubber that covered the model, making certain that I had placed the cutting lines so that I co...
Here in south africa they use a rubber based liquid adhesive to join blocks together. Its like a mixture of ordinary concrete-type cement with a fast-curing rubber addative. I can't for the life ...
...ch, you should consider making a silicone mold using a 'brush-on' technique where you apply the rubber & build 'out'. Many modern materials (silicone included) are available fo...
...clay, so maybe that was their problem. And some 'plastiline' formulations react badly with some rubbers- you would be well-advised to make a test before covering the sculpture you made with ...
...gate that one. Problem being there is - the baby has been born so can't use the model again!
Blue rubber is the PVA Rubber release agent which is sprayed, poured or painted on before the gelco...
Your going to want to consider using a silicone rubber rather than latex; the mold making process will be much faster with silicone than latex & is totally appropriate for this application. Latex ...
...D PLASTER. I HAD TO DISTROY THE NEW "HALF" CAST TO SAVE THE ORIGINAL. I BELIEVE THAT THERE IS A RUBBER COATING THAT CAN BE BRUSHED OVER THE ORIGINAL AND WHEN PULLED FROM THE ORIGINAL (BEING ...
[Silicone rubber molds should be stored with a 'holding' piece inside, either plaster, or wax- or whatever you customarily use. This will keep them from sagging and losing their shape. Don&#...
...ave made such molds-
For example, when I did a mold on a headboard for a bed, it was a huge one piece rubber skin held in a robust plaster jacket that had been made dead level so that the rubber a...
Sounds to me like what you have is a urethane rubber-they are famous for sticking to everything.
One way to tell is by the catalyst.- Like polyester resin, RTV Silicone undergoes true catalysis. M...
[I've heard of newer silicone molds, even those made from 2-part rubber, causing this sort of problem with urethane resins. The single-component stuff would probably be worse in this regard. Did ...
[I never heard that about plaster- I use plaster shells on silicone rubber molds and have never noticed that they degrade any faster than molds without them. Silicone rubber is fairly inert when set u...
...ter-based clay, shellac is traditionally used for this purpose. Oil-based clay can affect the cure of the rubber, so sealants are sometimes used. Spray-fix, hairspray, and lacquer in a can (all basica...
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