1. **Powder Flowability:** Ensure the machine is designed for your powder's flow characteristics—free-flowing, non-free-flowing, or cohesive—to avoid bridging or clogging in the feed system.
2. **Dosing Accuracy:** Look for a machine with high-precision dosing mechanisms (e.g., auger filler, screw conveyor) to achieve consistent fill weights, especially for expensive or potent powders.
3. **Dust Control & Sealing:** Choose a unit with effective dust extraction and airtight sealing to prevent powder leakage, reduce waste, and maintain a clean working environment.
4. **Material of Construction:** Verify that contact parts are made of food-grade stainless steel (e.g., 304 or 316L) and comply with hygiene standards for corrosion resistance and easy cleaning.
5. **Changeover & Adjustability:** Select a machine that allows quick tool-less changeover for different bag sizes or powder types, minimizing downtime and improving production flexibility.

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