Powders
Powder density, dust, moisture sensitivity and flow behavior all influence dosing. A material test is useful when the product bridges, clumps or changes density during production.
Granules
Particle size, breakage risk and flow consistency affect how granules are measured and released into the pack. The required fill range and acceptable product handling should be discussed together.
Liquids and pastes
Viscosity, particulates, temperature and cleaning requirements shape the choice of liquid filling components. Sealing also needs to be checked against product contamination around the seal area.
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