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Casting Resin

R

rally9x

[H]ard|Gawd
Joined
Feb 7, 2003
Messages
1,914
Ok so somehow it was late last night and the tv was on to some random channel I wasn't pay attention to. It turned out to be HGTV (and no I have no idea how it got there) and they were shown new fasions in home design and they were talking about the uses of acrylic so that was cool because we all love acrylic right? Well they then started talking about casting resin. They made some really cool stuff out of it.

So to make a long story short. I want to make a casting resin computer case. A clear one. I plan on putting some stuff in the resin too. The only places I can find that sell this stuff are hobby stores and its super expensive (like 125 dollars for a gallon). Does anyone know where to get some cheap or have any expierence with the stuff?

Also does it conduct electricity or could I set a board right on it?
 
good old tap. Thats not a bad deal...the hardener is an extra 10 bucks too.

Does anyone know much about casting resin though?

Does it conduct electricity?
 
Originally posted by rally9x
good old tap. Thats not a bad deal...the hardener is an extra 10 bucks too.

Does anyone know much about casting resin though?

Does it conduct electricity?
Click to expand...

CAsting resin does not conduct electricity. I tried.
 
Are you planning on casting the whole case at once (minus the access door, of course)? If so, how are you planning on making the mold? (ie out of what?)

This idea is really appealing! Any ideas or info from people who have used this stuff would be GREATLY appreciated!
 
I suppose you could take 2 boxes and coat the inside of one of them and the outside of the other with the "Silicone Mold Making Rubber" and then pour the resin in between them??

Is there an easier way?
 
This idea is intriguing to me as well..... imagine the design's one could do this way.
 
damn this is what I was afraid of...I gave away the idea...now everyone will beat me too it. ;)

I actually plan on making it one wall at a time if you guys were wondering...probably sink a harddrive tray in one though. I want my mobo and stuff to be upgradeable.
 
ya i know what u mean, sometimes you dont wanna talk about anything till the last secound cuz of that. Kinda in same position here with my new thingy
 
Its been done before...

A guy made a mold out of cardboard and aluminum foil, made the case look ice. He mounted an LCD in it, put some smaller pc components into it... it was sweet. It was for a contest, but I cant remember what it was. It looked like a big piece of ice, with an LCD in the middle... =).
 
i remember that one... wasnt that mashie?

meh

if you get that stuff and get good at making molds and such let me know, i have a metal part i need made into acrylic :)
 
the idea sounds like a pain in the ass to me. You really need to be a pro to do it right otherwise yer just throwing money away.
 
after you try casting somthing about 3 inches in size, you will realize that this will not work. Clear resin is very difficult to work with, and requires very expensive vacume equipment to remove the bubbles from mixing it if you are planing on making smooth clear panels. And then there is the amount of silicone it will take to make a mold of that size. Silicone is about 15-20 a pound, and you will probly need 20 lbs or more. Not to mention clear resin has a nasty habit of drying to a nice sticky finish. Measuring the catalyst for clear casting resins needs to be extremely precise and depending on the humidity and temperature the amount of catalyst changes, but on most cans the directions will say "experiment" to find the exact ratio. Sounds fun huh?
 
Originally posted by bonzanego
after you try casting somthing about 3 inches in size, you will realize that this will not work. Clear resin is very difficult to work with, and requires very expensive vacume equipment to remove the bubbles from mixing it if you are planing on making smooth clear panels. And then there is the amount of silicone it will take to make a mold of that size. Silicone is about 15-20 a pound, and you will probly need 20 lbs or more. Not to mention clear resin has a nasty habit of drying to a nice sticky finish. Measuring the catalyst for clear casting resins needs to be extremely precise and depending on the humidity and temperature the amount of catalyst changes, but on most cans the directions will say "experiment" to find the exact ratio. Sounds fun huh?
Click to expand...


mmm good stuff :(
 
Originally posted by bonzanego
after you try casting somthing about 3 inches in size, you will realize that this will not work. Clear resin is very difficult to work with, and requires very expensive vacume equipment to remove the bubbles from mixing it if you are planing on making smooth clear panels. And then there is the amount of silicone it will take to make a mold of that size. Silicone is about 15-20 a pound, and you will probly need 20 lbs or more. Not to mention clear resin has a nasty habit of drying to a nice sticky finish. Measuring the catalyst for clear casting resins needs to be extremely precise and depending on the humidity and temperature the amount of catalyst changes, but on most cans the directions will say "experiment" to find the exact ratio. Sounds fun huh?
Click to expand...

Well, there goes all my hopes and dreams falling off the shelf inside me... :D
 
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