Simply fill the cup up with powder (works best at 1/2-3/4 full with aluminium oxide and 3/4 for dolomite). You may find that drying out your powders in the oven before using leads to better flow. Dolomite often requires a bit more 'pumping' of the button to get it flowing.
- Brand: ZOIC PalaeoTech
- Model: Paasche Air Eraser
- Suitable For: Fossil Preparation, Glass Etching, Sandblasting
- Type: Erasers
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