I created the flat-bottomed, straight-walled container from stainless steel. I used a carbide-infused fiberglass cutting disk mounted to a Dremel for both tasks.
All-State 11 FC Nickel-Silver coated brazing rods seemed like just the ticket, but it didn't work. Finally, I called the local Air Gas (where I get my gas cylinders) who sold me Radnor Safety-Silv 56 coated brazing rods. 😀 I used a natural gas-oxygen torch.
This container is for use in working with a terrific new material that I am investigating: a mixture of chopped glass, sodium silicate, and water (more on this in a later post). This mix tends to get lumpy when mixed. I like to press out the lumps to create a more homogeneous mixture. This strong, flat-bottomed container will work well for that.
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