Making Green Sand From Kitty Litter For Aluminium Casting
I show how to test kitty litter for bentonite clay, grid the kitty litter to get a fine powder in a junk homemade ball mill and then show how I mix the sand and water to make the casting sand. You will need to experiment to see what ratio works best for you.
If you want a filter like mine look for "Mesh Flour Sifter Sieve" on eBay. They are super cheap.
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