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Thread: diy refractory

  1. #1
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    Default diy refractory

    any one have a good DIY refractory recipe

    I want to melt some ally

  2. #2
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    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 enough
    how come a 10mm peg dont fit in a 10mm hole

  3. #3
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    Quote Originally Posted by SawDustSniffer View Post
    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 enough

    and your recipe is????

  4. #4
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    mine came in a bag ," 1600c castable refactory " and i added water
    how come a 10mm peg dont fit in a 10mm hole

  5. #5
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    Quote Originally Posted by SawDustSniffer View Post
    mine came in a bag ," 1600c castable refactory " and i added water
    I tried that... but with wine,... but she went to sleep...no no no what am I saying...I mean where can I get a bag err some REFRACTORY CEMENT in adelaide...no one seems to know what the hell I'm talking about....so thinking of making it

  6. #6
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    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

  7. #7
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    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
    Pete
    Boycott Shampoo!!
    Demand Real Poo!

  8. #8
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    Quote Originally Posted by fxst View Post
    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
    Pete
    been there and got a couple
    looks like they will have to be the go

    if you do find I'd appreciate the info Pete

  9. #9
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    no worries I'll look for it tonight
    Pete
    Boycott Shampoo!!
    Demand Real Poo!

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