patnor1011
Well-known member
Pinwheel - as far as I remember it is 3-4 keyboards to make one gram of silver. I might be wrong but check here:
http://goldrefiningforum.com/phpBB3/search.php?st=0&sk=t&sd=d&keywords=mylar&start=40
http://goldrefiningforum.com/phpBB3/search.php?st=0&sk=t&sd=d&keywords=mylar&start=40