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RTV mold from a metal model?


#1

Hello all,

Could someone knowledgable about RTV rubber explain the process for
creating a mold for metal models?

Also, do you find cutting these molds vs cutting vulcanized rubber
any easier? Is the process pretty much the same?

Lastly, which RTV do you currently prefer and why?

Thanks.


#2

Here are number of web sites for more than you will ever need to
know about casting and mould making RTV Smooth on has great videos
and are worth the cost.


http://www.freemansupply.com

Is an industrial supply for the casting industry they have good info
on their site.

http://www.hobbycast.net/video.htm

Video’s of making of a mould and casting resin

http://www.sculptor-iangb.com/mould.htm
http://www.oakridgehobbies.com/g_scale/g_83a.html
https://www.micromark.com

Micromark has small kits for casting along with the low temp metal
to use in the RTV or to make a metal model.

The usual disclaimer apply satisfied customer

glen, been there done that, and got it all over the shop!