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FT4 Powder Rheometer
The FT4 Powder Rheometer® - a universal powder flow tester for measuring powder flow properties and powder behaviour.

Versatility
The FT4 has been designed to allow the effect of each of these External Variables to be investigated. By closely simulating process conditions in the measurement cell, the powder’s response to each variable can be quantified.

Dynamic Methodology
Excellent reproducibility and sensitivity, this is achieved by moving the blade in a precise and reliable way.

Powder Flow
Forced (or confined) Flow & Low Stress (unconfined) Flow

Conditioning
Establishing a uniform stress in the powder bed and eliminating pockets of air or localised compaction.

Effects of External Variables
Aeration, Consolidation & Flow (Shear) Rate Sensitivity

Shear Testing
Shear Cell, Operating Principles, Wall Friction & Hopper Design

Bulk Properties
Bulk properties are not a direct measurement of flowability or shear, but nevertheless influence process performance and product attributes. The FT4 Powder Rheometer® measures typically three types of bulk powder properties: -

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