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Today, I try melting Zinc scrap into ingots using my propane burner. I want to make this zinc into ingots, and in the future into projects in my foundry. Zinc has a very low melting point, a shiny appearance, good detail preservation, and a resistance to corrode, so it is a great metal for casting projects. Many die cast products (such as toy cars) are made in zinc for this reason. I used some scrap parts from ruined appliances.
BEWARE: zinc can give off fumes (visible white smoke, don’t breathe it!) that, when inhaled, can give you zinc poisoning. It isn’t fun. It’s what welders get when they weld galvanized steel and take a big sniff of their welds. Bad idea. Actually, casting metal is a bad idea. Don’t do it. You will probably get burned. Zinc’s low melting point is still stupid hot, it’s just colder than many other metals like aluminum. It’s like saying your oven is much cooler than the surface of the sun, you still shouldn’t go licking your oven when it’s on. Besides, that just looks ridiculous.
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Music: “Quirky Dog” by Kevin MacLeod. http://incompetech.com/