Pot Metal...what to do with it

in the past I called it Zink-Die cast. it used to be much less then aluminum, and the yards would do there best to keep it out of the aluminum. However in recent years the price now exceeds Aluminum. we did an acid test to tell it apart from aluminum. I don't remember exactly but if tuned black it was one or the other. Old auto grills and some trim in the 1950s and 60s 70s were made of it, window crank knobs some door handles as well as carburators. The items mentioned here sound right also. I have not taken any it in a few years but I will call the locals and update this post with a price. It sounds like when they let you mix it into your aluminum its like letting you mix your #1copper with your #2copper paying for #2. It may pay for you to ask about Zink-Die cast. If anyone else knows about the acid test please speak up..
Lightfoot

SIMS graded it differently today. 0.30/lb for die cast, 0.60/lb cast al.