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2018-9-18Not sure if this is the right forum to post this someone let me know. Ill delete it and post in the correct forum if needed I built a small knife charcoal forge my first one ever and I was wondering about what the best homemade refractory recipe. I have seen a couple that use portland cement a
2018-9-18Not sure if this is the right forum to post this someone let me know. Ill delete it and post in the correct forum if needed I built a small knife charcoal forge my first one ever and I was wondering about what the best homemade refractory recipe. I have seen a couple that use portland cement a
2019-11-23Refractory Cement For Your Foundry Furnace can be a REAL BTCH If you dont get the recipe just right you could have the walls crumble at full temp or melt into a pile of glass and clay. Im hope in the next few weeks to have all the pages written to go along with the pics. Ive taken. My goal is to save you some time
Re DIY castable refractory The homebrew you are describing has no aggregate so it must be like soup. The portland cement as described all over this forum is not a refractory material. But if you insist on calling this slurry refractory then so be it I dont do things like you do
Mix the refractory cement. Lay a piece of plastic sheeting on a smooth surface or you can mix the refractory cement on a smooth concrete surface. Pour out one and a half parts masonry cement one and a half parts perlite two parts fire-clay and two parts sand. Stir the dry mixture using a shovel until it is thoroughly mixed
2013-10-11I tried a DIY refractory made of perlite fireclay and portland cement once. Both the perlite and cement melt at high forging temperatures and I ended up with a real nifty-looking glassy substance. But it was real soft in the forge at temp. Share this post. Share on other sites. LocationPrinceton BC. Posted August 2 2007. metalmaster1766 said
DIY refractory from sodium silicate for small projects are described.The recipe for refractory sodium silicate matrix is given and various DIY refractory mixes that can withstand high temperatures are described along with applications
Everything in this recipe I can find cheap and local. that said I see many posts which warn ealously against using portland cement anywhere in your build. Many use refractory cement for the mix. I actually wouldnt be surprised if refractory cement simply is a premix of cement sand and fireclay
2002-3-18Homemade Refractories. This page will detail some of the refractory formulas that I experiment with.My previous furnaces were all made from a clay form surrounded with regular concrete or mortar. The 2 bucks furnace was my first use of an actual refractory formula. --Jan.162002
2017-9-21Refractory Cement Recipe 2 This recipe is an excellent option if you can find ready made furnace cement. Many home improvement stores do sell it in gallon buckets for 12 to 20. What You Will Need Furnace cement Perlite Water Formula 1 part Furnace cement 4
2010-11-15The portland cement would I think work fine if it was on a low end of the recipe just to kinda bind the ash but the ash wetted would work just fine on its own. Some of the guys making smelters use the portland mixed with sand and vermiculite and it works quite well from what Ive seen
Refractory mortar and wood fired ovens. Mortar making and applications. Refractory heat resistant mortar types for building wood fired ovens from fire clay bricks. In building high quality oven refractory mortar should be used in only up to 6mm thick application. Thats the
Nov 12 2016 - 3 simple refractory concrete recipes also know heat resistant cement for all your projects furnacesforges pia ovens you can make right now
I should be able to make about 150 lbs of refractory cement for the inner hearth of my wood gasifier Refractory Cement For Your Foundry Furnace Recipe I get a ton of questions about the dimensions of my foundry furnace so I thought I would make a video to try to answer them. Silver Necklace Name DIY Refractory Cement Materials.MTS See more
HACKING AIRCRETE The basic recipe for aircrete consists of cement water and foam. The cement and water slurry are combined with a pre-formed foam surfactant. DIY aircrete is easy to produce low-cost and low maintenance. Its doesnt require skilled labor. A refractory mix recipe can be made for areas that will be subjected to
This is a formula for making excellent refractory material to use to line the walls of a melting furnace. I am routinely melting aluminum and brass and I have been looking for a formula that is strong and lasts a long time. All of the formulas that I have seen that use Portland cement need replacing pretty often because Portland does not hold up under heat
Re DIY castable refractory Boy I have to disagree again Sand by no definition is aggregate I agree with post 4 of Deejayoh---if you are going to try to make refractory at least have the right ingredients What you have is nothing similar to the real thing that is sold commercially so you cannot compare costs or performance or quality
2006-5-20Refractory cement is used only to chink the gaps between firebrick. There should be no mortar joint and as little refractory cement as is possible should be used. In regular masonry the mortar is the matrix that binds the masonry units together but using a refractory cement is only to ensure a solid face to the flame
2011-12-31as to the cement most of the homemade forge liner recipes used by the old timers included some kind of cement. The only reason why things made of cement explode at high temperatures is due to people using cement blocks that were made for something else and have trapped moisture and air pockets inside of them
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2020-5-13DIY which I got from traditionalovens.com of 322.5 fireclay grog sand portland concrete sand only refractory cement lime. Im in a cold climate so Im doing a good deal of thinking on hyper-insulation. His underlaying insulation for the hearth slab is a 61 cementvermiculite mix