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labwoman
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My friend bought a Whip Mix propress 200. I went to her lab and I showed her the steps for making an emax crown. It was an inlay and was perfect. A couple of days ago she called me very upset, she had pressed 3 different crown with the below results. I can't go and help her since I live in Arizona and she in Massachusetts. I asked her the procedure. She burns out the ring at 1600 for 45 minutes, quickly puts in the ingot and plunger she said it takes her about 10 seconds, and the oven is very close the the burnout. I think even though the pressing oven says 925C, I believe the oven is wrong and it is not hot enought. After looking at the pictures please comment thanks.
I hope this works. I have attached
I hope this works. I have attached