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Thread: diy refractory
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31st May 2013, 04:20 PM #1Most Valued Member
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diy refractory
any one have a good DIY refractory recipe
I want to melt some ally
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31st May 2013, 04:38 PM #2
thats all a home made refatory would take , with top quallity materials that would be harder to find than a 1600c castable refactory ($60 a bag ) and then still not as good ,
for auminium a home made would be fine , but if you ever want to go too copper/bronze , get a good one , also just because your casting alumnium your burner will still capable of over heating and distrying the home made castable
light weight fire bricks and use the less than 3mm morter (+1500c) they sell where they sell the bricks , check the morter , oven morter is not good enoughhow come a 10mm peg dont fit in a 10mm hole
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31st May 2013, 05:10 PM #3Most Valued Member
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31st May 2013, 06:17 PM #4
mine came in a bag ," 1600c castable refactory " and i added water
how come a 10mm peg dont fit in a 10mm hole
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31st May 2013, 06:22 PM #5Most Valued Member
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31st May 2013, 08:39 PM #6
ROTFL , sorry in a stupid mood today
i have no idea where to get it in adeliade , the closest i found to Darwin was
"Shiracast 160AR" about $66 a bag from "the fire brick company " , its good for 12months at 1600c temp (cast iron poring temps)
Kilns, Pizza Oven, Wood Fired Oven, Domestic and Commercial Products
what ive seen of others , by the time you bye a 20kg bag of each ingredent , it ends up costing more than bought castable , and dosnt last as well
normally its a fire clay / silica sand + others , but the bought castable has hairs and 5mm gravel in it to help stop cracking
nouthing wrong with a hole in the ground , could make it a pearler and line the hole with a clay plant pot or fire bricks )
how come a 10mm peg dont fit in a 10mm hole
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31st May 2013, 10:18 PM #7
try here for some ideas melting metal in a home foundry, backyard metalcasting, metal casting
I have a recipe somewhere that works ok for aluminium. Ill pm you if I find it
PeteBoycott Shampoo!!
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3rd Jun 2013, 02:45 PM #8Most Valued Member
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3rd Jun 2013, 11:36 PM #9
no worries I'll look for it tonight
PeteBoycott Shampoo!!
Demand Real Poo!