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I am at the point of replacing my electric furnace for smelting copper, silver , gold, and others metals. 

Question. I had a 1 kilo chineese made which was fine. I over did it and have killed the 2 year old girl. So I am thinking as I want to make my own art and i am in the process of registering with the Edinburgh Assay Office to sell some new bullion. 

Do I buy a 2 kilo or 3 or 4? 

What makes do you have? 

Please let me know. 

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@jonrms I use these guys

http://www.technicalsupermarket.com/component/option,com_virtuemart/page,shop.browse/category_id,386/Itemid,4/

They have a range of different sizes. 

Never had issues with these furnaces other than self inflicted damage (I had a crucible blow out) but they repaired and refurbished the furnace for £40 and came back basically brand new!

All their furnaces come with a 1 year warranty too

Email them and tell them Backyard Bullion sent you their way they might be able to do you a discount (no guarantee). 

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I seen the R9D 33 and though ohh no.... 

 

Then I just spotted the R9D 100

 

I think I found my new kiln. 

1130 degrees is enough to smelt copper. 

Silver and gold. But 90 minutes. HOLY COW! I will need to speak to them about getting up to tempatures 

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8 minutes ago, jonrms said:

I seen the R9D 33 and though ohh no.... 

 

Then I just spotted the R9D 100

 

I think I found my new kiln. 

1130 degrees is enough to smelt copper. 

Silver and gold. But 90 minutes. HOLY COW! I will need to speak to them about getting up to tempatures 

I have found that they take a while to get up to temp. 

I turn it on and leave it for 40 mins without the crucible in, it is up to temp.

Put the crucible in and 20 mins later, silver is 1050 and ready for pouring. 

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