I was wondering about the use of microballon fillers. What percentage do you normally use and do you add it to just one part of the resin or equally to both...
17171
The Tellurian
thetellurian
May 1, 2003 4:54 pm
How much you use depends on the resin and the end use. With thin epoxy I've used .5-1:1 for 90% of the strength at half the weight [IMHO] to 4:1 [stiff...
17172
Casting Fool
alumicaster
May 1, 2003 5:46 pm
From: "The Tellurian" <thetellurian@...> ... You mean that you actually found a way to open the can without getting microballoons all over the place?!...
17173
walt_gillespie
May 1, 2003 6:38 pm
Thanks, My use is for scenery items for model railroading. I found that the resin with microballons tended not to have airbubble problems as does the regular...
17174
walt_gillespie
May 1, 2003 6:42 pm
NO, No! (chuckle) This was already mixed but you did open my eyes to a possible future "challenge" of a mass attack of microballons. Maybe it would be a good...
17175
Dave S.
itbedave
May 1, 2003 11:26 pm
We have a 3-gallon Sears brand paint tank that's rated up to 60psi. We're looking for a larger one too (5 or 10 gallon) in case anyone is looking to unload...
17176
Barton Brown
bartbrn
May 1, 2003 11:37 pm
I've never used microballoons, but I've heard that you should wear a respirator mask when handling them, as it's not a good thing to get the stuff in your...
17177
The Tellurian
thetellurian
May 2, 2003 1:04 am
... Close the windows, close the doors, shut off any furnace/AC/fans, make very slow deliberate movements, and wear a dust mask or respirator [NOT the cheap...
17178
Bernard Arnest
whoffmann64
May 2, 2003 4:11 am
Hi, Thanks for all the help! Dennis, using the knowledge that it's lead, it turns out that your wild guess of 25 cubic inches was exceedingly close to the...
17179
Ted Quick
rim_molder
May 2, 2003 5:52 am
... That's why it's so popular. As long as thhe mold section can fex enough it will release much more than you would imagine. For instance, the first silicone...
17180
liz77581
May 2, 2003 12:33 pm
Dennis, Could you please tell me where in Houston I could find classes? I have taken Metal Smithing at my local community college but it only covered...
17181
Charles Morrill
badcharl
May 2, 2003 12:33 pm
Hi List, I'm a new member to this list with all the usual questions on how to get better urethane castings and so forth. My interest in castings is for my O ...
17182
Dennis Cranston
dennisintexas41
May 2, 2003 1:28 pm
... I don't have the location here at work, but I will reply tonight at home. Other options: While for the Houston area, there should be comparable to other...
17183
Tim Lindsey
tmlindsey777
May 2, 2003 10:17 pm
... From: "Charles Morrill" <badlands@...> To: "casting" <casting@yahoogroups.com> Most of my urethane castings now are less than 50 ml and I have...
17184
Charles Morrill
badcharl
May 2, 2003 10:53 pm
The urethane was from Micro-Marc and Bragdon Enterprises. I have no idea what actual urethane brands they are --- although, I could tell the two had different...
17185
Gary Woodard
betsy662
May 2, 2003 10:59 pm
Hi Charlie, Nice to see you over here too, I guess all us Otrains folks will be over here soon, the Micro Mark is made by Smooth On, I don't know about the...
17186
Tim Lee
lee535
May 2, 2003 11:17 pm
Has anyone used a class of plaster called die-stone which is a dental plaster -- very hard and smooth surface? I want to try it for some small castings but the...
17187
anniepoo@...
annie66us
May 3, 2003 4:01 am
... See the scan, come back later and see the finished product after it was tooled. OK, then yep, I believe you can do that. I've just finished making a very...
17188
anniepoo@...
annie66us
May 3, 2003 4:07 am
... If it's pretty much either/or, how about running them in sequence, if you have the setup for it? I dunno about others, or whether there's an argument, but...
17189
anniepoo@...
annie66us
May 3, 2003 4:23 am
... Yes, I'd agree with all this. But certainly the same applies to an artist working on a computer. It's not the computer that makes Shrek so appealing or...
17190
Casting Fool
alumicaster
May 3, 2003 4:32 am
From: <anniepoo@...> ... rains the water comes in. I can't afford the slip fee, but the motor's shot and I can't anchor out. I quit cooking because I...
17191
anniepoo@...
annie66us
May 3, 2003 4:35 am
... On my desk - I'm working on a church, to be sold as a plaster model RR model. Masters being done on the devil machine. Front wall done. Rest will go...
17192
anniepoo@...
annie66us
May 3, 2003 5:08 am
Many small figures are made with epoxy putty. Many others are made in polymer clays, sold under the brand names 'sculpy', 'fimo', etc. The truth is, you can...
17193
anniepoo@...
annie66us
May 3, 2003 5:14 am
If you're just getting started, I'd suggest you learn to do pewter ("lead") gravity casting into RTV molds. This is fairly easy to learn, and cheap to buy the...
17194
anniepoo@...
annie66us
May 3, 2003 5:15 am
It could be the design of your mold, rather than it's size....
17195
anniepoo@...
annie66us
May 3, 2003 5:48 am
... Hydrocal cement is wonderful stuff for casting. I use a lot of it. The FGR-95 variation is meant for reinforcing with fiberglass. I doubt this is what you...
17196
Gary Woodard
betsy662
May 3, 2003 11:53 am
Hi Annie, Another thing about casting with hydrocal plaster, you want to wet your mold with a mixture of water with a little dishwashing detergent mixed in,...
17197
Charles Morrill
badcharl
May 3, 2003 1:11 pm
I agree that it isn't just the mold size creating the bubbles --- those were just the molds where the problem was most apparent -- and irritating! I'm hoping...
17198
Bob Crane
bitterended
May 3, 2003 2:02 pm
Does anyone know if and where Hydrocal statuary cement is available is something less than 100 lb bags? Bob Crane ... [Non-text portions of this message have...
17199
Ted Quick
rim_molder
May 3, 2003 2:43 pm
I'd suggest that you overfill the cavity slightly and give the pour a little bit of time to settle in and release air bubbles before capping it with the flat...
