Roxul??

69_knives

69_knives

Joined
Nov 20, 2008
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I was curious if anybody has seen this stuff or experimented with it. I was thinking it might be useful as the outer layer of insulation between the cast forge lining and the outer shell. Here's a PDF from the mfr with some details. http://www.roxul.com/files/RX-NA-EN/pdf/RoxulSafe-5-25-09.pdf
http://www.roxul.com/commercial/products/roxul+safe®

I have some 2" ceramic wool which isn't that expensive really but the Roxul is probably 1/8 the price and if it would work, obviously, I would rather use it for this lowly task.

Thanks.

Steve
 
Roxul is a heat shield and sound barrier mineral wool wrap insulation. It is used on piping and AC systems, as well as house insulation. It is not the same as,or suitable as a replacement for the Hi temp Alumina-silica refractory blankets used in making forges. Most forge insulation is 2400F or 2700F rated.

Stacy
 
i was going to try layering some mineral fiber over my ceramic fiber to improve total insulation, but I wouldn't bother with exposing the low temp to furnace or forge temps
 
Steve,

Like Stacy said, that is the wrong material for a forging or hi-temp application. Ceramics Canada here in Calgary sells insulwool by the foot. They are right off of peigan trail and 26th street in the Foothills industrial park (SE). They also carry clays and refractory coatings (ITC 100). Getting the proper materials will save you a lot of stress (and possibly a burned down shop) in the long run.

http://www.ceramicscanada.net/

Their website doesn't list everything, but I swear they have everything you need, even hi-temp pyrometers and cones if you need those. If you need a hand building your forge let me know, I'm a welder by trade, maybe I could save you a few headaches and not have you make some of the errors I made building my first one.

Have a good one,

Nathan
 
Thanks guys!

Nathan, Ceramics Canada is the place I get my wool and fire clay from. :thumbup:

The forge lining is already cast and has been curing for 2 weeks. It's going to go inside a keg with some form of insulation between it and the keg. It will either be the inswool or maybe I'll mix up an insulating clay cement mix and pack that in there.
 
Don't pour another layer behind your cast refractory, or you will just have a thicker shell. You want to insulate a cast liner with the best grade insulator you can get. I would use 2" of Hi-Z wool.
Stacy
 
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