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Spent 4 HOURS yesterday trying to get a core box to release cleanly from a simple drag flask. The dang thing was just STUCK. Finally got it with a heat gun and a prayer.
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carr.luna1d ago
Saw a tip online about dusting the flask with talc or graphite powder before packing the sand. Supposed to act like a release agent. Might be worth a shot for next time, sounds cheaper than a heat gun.
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wade_dixon22h ago
Talc works great for that! I've used baby powder in a pinch and it made the sand fall right out. Definitely beats buying more tools.
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abbyf791d ago
Graphite powder sounds messy, @carr.luna lol.
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