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Aluminum penetration problem

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  • #16
    Thats how 2% is. It will not ball up on its own. You can put it on reverse(dc positive) for a sec to make a ball or use pure tungsten if you want it to ball up. The tungsten is not your problem though. I prefer 2% over pure because it resists contamination way better. Use the ss brush right before u weld. The acetone just removes dirt grease oil etc. The ss brush removes oxides. Clean first then brush. When u brush go one direction so u dont just smear contaminates in.

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