... Well, if you need, you can speed up the cure time. But it does require you to bake your molds and cast. Run the oven up to 160 degrees, pop these sucker in...
1215
Elohs@xxx.xxx
Jan 1, 1999 4:58 pm
I'm hoping someone can help with this problem: I poured the first half of three rtv rubber molds (Synair's Clear Cut) on Tuesday, and not a one of them is...
1216
Tom Banwell
Tom@xxxxxxxx.xxxx
Jan 1, 1999 5:15 pm
... Hi Ethel, I've never used Synair's RTV, but since its a 50/50 ration, I'm guessing its a urethane. I have also had problems with urethane rubbers curing ...
1217
DDan835255@xxx.xxx
Jan 1, 1999 5:32 pm
Thanks for the welcome Pat. I have an area of assistance you may be able to help in. I model TT scale model trains but no one produces these any more. I want...
1218
Miracle Castings Inc.
miracle-castings@xx.x...
Jan 1, 1999 6:02 pm
Hi Ed! Have you considered Alumilite's new 7 minute set-up plastic? It has a faster demold time than Por-A-Kast III, but a 7 minute pot life. Pat...
1219
Miracle Castings Inc.
miracle-castings@xx.x...
Jan 1, 1999 6:07 pm
Hi Don! What you're talking about is exactly what this list is about. I'd recommend that you start working your way through the archives for basic info, and...
1220
Mike Bauers
mwbauers@xxxx.xxxxxx....
Jan 1, 1999 7:51 am
... Tom, What sort of measuring tools should I have to be able properly use most RTV's ???? If you're talking scales, what might be most usable and still ...
1221
Ed Diceman
dice1@xxxxxxx.xxxx
Jan 1, 1999 7:34 pm
I also have heard various horror stories about the clear rtv.I use Silicone's Inc GI 1000/It's the best RTV on the market IMHO.It depends how critical I need...
1222
Doug McClure
dmclure@xxx.xxxx
Jan 2, 1999 12:11 am
... 1 ratio. Most come in either 1 or 2 lb containers so 1 bottle of catalyst is enough for 2 lbs of base. Going by that 1 lb is = to half a bottle of ...
1223
Elohs@xxx.xxx
Jan 1, 1999 10:21 pm
In a message dated 1/1/99 12:15:55 PM Eastern Standard Time, Tom@... writes: << I use Silicone, Inc's GI-1100, and am very happy with it. >> Tom- I...
1224
Tom Banwell
Tom@xxxxxxxx.xxxx
Jan 1, 1999 11:25 pm
... Hi Ethel, The manufacturer is in North Carolina, phone 336-886-5018. My distributor is Circle K Products in southern Calif and they give wonderful service,...
1225
Tom Banwell
Tom@xxxxxxxx.xxxx
Jan 1, 1999 11:30 pm
... Hi Mike, I use a triple beam scale costing about $140, but you can get away with cheaper methods. The silicone is very forgiving. One time I accidently put...
1226
sylvia
rainbow1@xxxxxxxxx.xxxx
Jan 2, 1999 4:09 am
... just add some dye to a clear promoter if that was what I had to work with. Hi Tom, This is just the info I've been looking for. What type of dye would you...
1227
Tom Banwell
Tom@xxxxxxxx.xxxx
Jan 2, 1999 5:08 am
... When I said I'd add dye, its because I tend to experiment and I have dye here that I use to color the Lumicast resin. I don't know really WHAT type of dye...
1228
Miracle Castings Inc.
miracle-castings@xx.x...
Jan 2, 1999 5:55 pm
Hi Guys! The "no water" part is the critical part here. Any dye used to tint polyurethane resins should be safe for rubber, as there can be no moisture in it...
1229
Phaloo@xxx.xxx
Jan 2, 1999 10:37 pm
I am glag to find this gold mine of information about casting. I am an absolute beginner. I have never cast anything. I am in the process of getting together...
1230
Ed Diceman
dice1@xxxxxxx.xxxx
Jan 3, 1999 7:50 pm
Pat, How much faster a demold time are you talking about!I usually don't really need a slow cure and I do alot of casting in 1 sitting.I've gone thru 10...
1231
Mike Bauers
mwbauers@xxxx.xxxxxx....
Jan 3, 1999 9:37 am
... That's interesting. I've used alumilite in about four different batches from them over the last 3 years. I've never noticed any real odor of any kind. What...
1232
laocoon1@xxxxxxxxx.xxx
Jan 4, 1999 8:16 am
Alginate can be a very handy material. You CAN cast urethanes in it for some applications. Most castable rigid urethanes will foam up from the moisture in ...
1233
laocoon1@xxxxxxxxx.xxx
Jan 4, 1999 9:18 am
I've never had a problem with water inhibiting silicone, but we mainly use tin-based silicones, such as GI-1000. In fact, I've added small amounts of water to...
1234
Miracle Castings Inc.
miracle-castings@xx.x...
Jan 4, 1999 3:03 pm
Hi Ed! Demold time depends on the part. Thicker parts can usually be demolded in 10 minutes or so, while large thin walled parts may take up to 40 minutes....
1235
MARTY MILLIGAN
m.a.milligan@xxx.xxxx
Jan 4, 1999 11:42 pm
While I have not used the specific product mentioned here, I have used other urethane rubbers that have had similar problems caused by an incomplete mix. You...
1236
Ed Diceman
dice1@xxxxxxx.xxxx
Jan 4, 1999 4:50 pm
Hi Ed! Demold time depends on the part. Thicker parts can usually be demolded in 10 minutes or so, while large thin walled parts may take up to 40 minutes....
1237
Miracle Castings Inc.
miracle-castings@xx.x...
Jan 4, 1999 6:12 pm
... Hi Ed! That's very curious.... I wonder if someone was pulling the wool over your eyes calling it Alumilite. I've used the product since 1990 or so, and...
1238
Thomas Beutel
Thomas.Beutel@xxx.xxxx
Jan 4, 1999 6:31 pm
Hi Pat, I'm brand new to the list (just joined today) and I'm wondering about compatibility of paints and glues with RTV. I'm currently building a master made...
1239
Phaloo@xxx.xxx
Jan 5, 1999 12:58 am
Bill, I was glad to get your information about the casting of your cars. You may be interrested to know that I am going to try the 280 metal for my first ...
1240
Alumilite
alumilite@xxxx.xxxx
Jan 5, 1999 11:49 pm
I want to first thank Pat , Mike, and every Alumilite customer on the cast list for continuing to support Alumilite for all these years. Alumilite usually has...
1241
Ed Diceman
dice1@xxxxxxx.xxxx
Jan 5, 1999 10:58 pm
Hi Paul, As I have said in my post,this was roughly 5 years ago and I did buy it off a store shelf,which today I know very well is a no no. P)Alumilite usually...
1242
Tom Williams
Tom@xxxxxxxxxxxxxxx.x...
Jan 6, 1999 8:17 pm
Hi Thomas & welcome , i've found that RTV only really gets affected by excess oil on the master (if you've used oil as a release agent)..otherwise, mixed...
1243
Andrew Hart
andy@xxxxxxxxxx.xxxx
Jan 6, 1999 10:30 pm
Thanks to everyone who offered advice on using alginate as a mold making material. I'll give it another shot at some point, but I'll probably only use it for...