Jul 13, 2009 · Is it possible to make home-made fire clay? That is, mix it with stuff you dig out of the ground? If so, what type of earth should I be looking for? I live in Austin, Texas. Thanks, Rob

Mar 7, 2012 · I clay my pans. I used chunks of broken up firebricks and refactory mortor in my main forge, and a sand mortor mix i the travel forge. I did this mainly to make a "fire pot" in the travel forge. You can also use cheap kitty litter ( mostly clay ) and a small amount of water.

Jan 4, 2010 · The sawdust will burn out leaving voids. Otherwise commercial grog. now there are 3 types of fire bricks. Hard non insulitive, soft insulitive and hard insulitive. All take a different grog (non expansive material) for the first one wants ground fired fire clay, the second somthing heat resistant and airy like per light, vermiculite or expanded ...

Aug 2, 2011 · You need high fire materials, and high build high fired grog (broken high fire materials) to build good fire bricks. Kaolin clay, broken porcelain, possibly some zircon flour.

Sep 16, 2018 · This is a good way to make clinker with a charcoal fire. If you already have the fire clay use it, if not buy something cheaper or take shovel to a likely place and adopt a bucket. Same for the sand if you already bought the silica use it, if not find a creek or beach, take a couple buckets. The ratio of 1 pt. clay to 3-4 pts sand is good enough.

Jul 30, 2013 · It is strongly recommended that you clay a cast iron forge like that. Cast iron is a rather brittle metal and stress on it can cause a crack quicker than you can spit. If you wet your coal while the forge is running (to contain/shape the fire) you can cause a crack. If the forge had been bumped around a lot, the stress in the metal can cause a …

Mar 25, 2011 · If the fire clay is mixed with water and applied, it will shrink and crack. By hearsay, I was informed that you could temper the fire clay by mixing it with fines and fly ash from the forge, and that would help prevent the cracking.

Nov 29, 2008 · The sand/grog allows moisture to escape when you build a fire and provides room for shrinkage and minimizes shrink checking. Fire brick or old pottery grog won't make glass at high temps and works better in a forge clay liner.

Aug 2, 2007 · I have done bronze cast for several years with home made furnaces of varying size made from fire brick and fire clay or from fire clay, silica sand and Portland cement.

Dec 14, 2014 · For cast iron cookware fire pots I like small dutch ovens in the 6-8" dia range. If you're going to use fire brick or clay to build up that pan don't bother to use the pan. A duck's nest forge works a treat. all you need is a reasonably non …