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Why Does Powder Packing Change Measured Contact Angle?
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Why Does Powder Packing Change Measured Contact Angle?

Analytical Techniques and Methods, Surface Energy, Technical Brief

Why Does Powder Packing Change Measured Contact Angle?

Powder packing can change a Washburn-derived contact angle [...]

By Martijn Daalder|3 November 2026|Categories: Analytical Techniques and Methods, Surface Energy, Technical Brief|Tags: capillary rise tests, contact angle measurement, powder bed porosity, Powder packing, powder wettability, surface treatment, Washburn equation|0 Comments

Why Does Pouring Method Change Bulk Density?
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Why Does Pouring Method Change Bulk Density?

Bulk Solids Characterization, Flowability, Technical Brief

Why Does Pouring Method Change Bulk Density?

Loose bulk density depends on how powder enters [...]

By Martijn Daalder|19 October 2026|Categories: Bulk Solids Characterization, Flowability, Technical Brief|Tags: Bulk density, Carr Index, drop height, filling rate, funnel filling, Hausner Ratio, loose bulk density, measurement repeatability, particle rearrangement, pouring method, powder aeration, Powder packing, scoop filling|0 Comments

Why Does Tapped Density Change With Fill Mass?
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Why Does Tapped Density Change With Fill Mass?

Bulk Solids Characterization, Technical Brief

Why Does Tapped Density Change With Fill Mass?

Increasing fill mass can raise or lower measured [...]

By Martijn Daalder|12 October 2026|Categories: Bulk Solids Characterization, Technical Brief|Tags: Bulk density, Hausner Ratio, Janssen effect, Powder packing, tapped density, USP 616|0 Comments

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