surface 
Polyester mold-surface surface curing problems: I should have added that I was told it was styrene emissions from old molds but new molds do it too. So did latex, back when I used that junk.
... at www.chavant.com .
both of these plastilene clays do not have sulfur in them . The reason that the surface is being marred is because if you use any other sulfur containing oil based clay they...
...re going to depend on the ratio of bronze to resin in your castings. The action of polishing itself is the surface of the material becomes heated to the point the the surface 'moves' thereby...
...ic modeling paste, altho Golden makes one too. I just happened to read yesterday that you can get a smooth surface with this stuff by spreading it on with a damp sponge. Of course, if you want a textu...
...molds of fossils. We use laminating resin. Most often it does not cure properly where resin contacts mold; surface ends up soft, tacky and with pull-marks where it has shrunk from contact. Surface in ...
...finished plaster piece. then paint it with an electolye like silver nitrate. Then you can electroplate the surface of the piece with copper or brass. This will result in a surface that actually IS met...
...espite using loads of mould-release agent, bits of plaster stayed stuck to the fibreglass, even though the surface is reasonably smooth. I have tried various common acids, to no avail. Scraping the st...
...oat the finished resin casting with something that carries a current and electroplate it with a real metal surface. Or go for Vapor Deposition, which is a dry process with the same result. If you plat...
...a subtle, light, marble-like tone.
The next challange is to try to create a little bit of depth to the surface. All I can think of is to polish it with wax but I know this will only make it look l...
...ater from the fresh plaster, allowing the fresh to properly set.
It helps to have a somewhat roughened surface to be adding to- this gives a good mechanical bond.
Properly done, you can carve ...
... TIP: To Remove (De-Vest) Shellspen Ceramic Shell from newly cast Bronze:
Place casting on wood surface or canvas filled sand bags. Hammer pour cup and sprues, removing most Shell.
On l...
Hi - no super sculpey do NOT require any type of seal. It is a hardened surface already.
...ry diluted white PVA glue. To really harden you can use two component epoxy but it tends to leave a glossy surface...
...39;m planning to use it on a wood panel to create a 'fresco.' Would it be possible to sculpt the surface to a very small depth, and what is the durability of plaster of paris? Thanks for any...
...or carving and are best cut with a slightly blunt wood-carving gouge, driven by a mallet.
The finished surface is very rough but a coat of decorators filler soon smooths off the surface, and hides...
<< I wanted the surface without the tiny little lines and cracks that are invisible in transluscent flesh but glaringly visible in plaster, bronze or resin. >>
There is a local artist ...
...e hydrospan.
It works pretty well on smaller items, and particualarly well on items that have a lot of surface area for their volume.
However- the closer an item is to spherical- like say a hu...
...finish. For flat faces, use a power polisher and belt sander, Start with a much coarser grit to get a fair surface more quickly and then move up thru grit rapidly....
... in one piece, or it involves a several part mold, lets begin with a one piece, lay the original on a flat surface, then add plastcine or similar around the circumferance to about 5 cms, support the u...
...m tries to expand against a closed volume. This action causes foam cell structure to collapse on the inner surface of the mold and create a solid resin skin (with a self skinning foam)
Experimenta...
I use my tongue to smooth out the surface. It's great for those hard-to-reach places and it really works! The taste is a little nasty but you can just drink a few gallons of root beer to make it ...
... doing my research and well you know what they say about hindsight and all that. The model has very little surface detail and this first cast is to get it into something harder that can be sanded to a...
I'm considering making a 7mm diameter hollow ball by roto-casting. Can anyone comment on how thin a surface can be made by this method? My goal is to create a rigid ball that is as light weight...
...e eye and essential for color work. The walls were painted an absolute matte white.
For putting smooth surfaces on plaster, we would wait until evening and use a direct light like a halogen, aimed...
... of slate (presumably meant to be part of a garden walkway). I was thinking one of these would make a good surface for a welding table, if you had a heavy steel stand to put it on. Does anyone here ha...
... rasps.
First off, why would anyone choose a file or rasp over sand paper or a scraper? For large flat surfaces, you do not want to use a file. Scrapers are much better. For curved surfaces, place...
...ces with latex as a moldmaking material tell me that it dries as air evaporates the water/ammonia from its surface, so working in a nearly-closed plaster mold would not work past the first layer or tw...
...on with the Vytaflex, you WILL need to use a release agent otherwise the VYTAFLEX will bond to the shellac surface.
Hope this helps!...
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