re-constituting ''petrobond'' (2 viewing) (2) Guests
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TOPIC: re-constituting ''petrobond''
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re-constituting ''petrobond'' 1 Year, 5 Months ago
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I've read on other forums that you can save all your burnt petrobond sand & when you have enough you can re-constitute it with lubricating oil,it sounded a bit too good to be true but I gave it a go & it was useless!![to me anyway] has anybody done this succesfully? & if so can you let us in on the secret please thanks.
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Re:re-constituting ''petrobond'' 1 Year, 5 Months ago
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I have used the same Petrobond for over 10 years with no problem.
I don't seperate the burned from the good after a pour.
I mix it right back in and maybe add some motor oil once a year or so.
My metal is under 800 degrees so the petrobond doesn't get burned too badly.
To make it a finer grain for better detail I have added some sand flower also.
As an expeeriment, I poured a flywheel for a coffee mill by putting my flask into my spinner and at low rpm, it worked very well.
It was too thin to cast by gravity alone.
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Coley (User)
Senior Boarder
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Any man that thinks he is too old to learn something new, probably always was.
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