Ok,i cured the blue in water for a whole day in my 50 watt qasar lamp. Then cast at
350 for 2 hours
875 for 1.5
Then 1400 for 4 hours, extended it 1 hour. I was getting good before but these were all but perfect. I think that extra hour finishes the burn. I also vacuumed the flask. The detail is better with the blue i find.
Casting with blue
Re: Casting with blue
Anything bad looking is investment. No porosity, no voids.
Re: Casting with blue
Anything bad looking is investment. No porosity, no voids.
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Re: Casting with blue
Those look great Len! Yes, we now recommend longer burnout on the high end, which obviously depends on the type of oven you have. With electric ovens that makes all the difference.
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Re: Casting with blue
lklutts wrote:Ok,i cured the blue in water for a whole day in my 50 watt qasar lamp. Then cast at
350 for 2 hours
875 for 1.5
Then 1400 for 4 hours, extended it 1 hour. I was getting good before but these were all but perfect. I think that extra hour finishes the burn. I also vacuumed the flask. The detail is better with the blue i find.
So you held it at 1400 for 5 hours total and then dropped to casting temp?
Re: Casting with blue
Sorry, went to 4 from 3 hours. Then to 1000 for casting temp
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Re: Casting with blue
Those came out really nice. The Blue prints well. yes, you hit the nail on the head. curing is key.
Re: Casting with blue
Also, what investment did you use? I'm definitely going to try this burnout.
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