Re: Refractory cement for small furnace


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Posted by Robert Oblon on February 10, 1999 at 19:40:36:

In Reply to: Refractory cement for small furnace posted by Kevin on February 06, 1999 at 19:16:08:

Here's my quarter. The first melting furnace I built 26 years ago was built with A.P. Green castable to 2600 F and was used daily for almost 10 years with just minor patching. It was built to hold a #30 crucible, which holds just over 90#s of bronze. I've used the ceramic hi-temp blanket for a burn-out oven I built some years later. Also from A.P. Green. A.P. Green also makes a wonderful refractory mortor that is a great patch material for ceramic shell that have some cracking after burn-out. The fibre blanket doesn't work as well in a furnace situation where there is constant temps. above 2000 F even with the silicate solution brushed or sprayed over the thermal blanket...A.P. Green is on the web and has plenty of information on their products

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