Moisture migration
2 articles tagged Moisture migration
Scientific Parameter
• 9 min read
Dragée Coating Weight: How Much Coating Each Layer Needs
A coating layer weighs its shell volume times its density, and shell volume grows with the cube of the radius. How to calculate layer and batch coating weight for a dragée, with a worked sphere example.
Dragée Coating precision Moisture migration
Scientific Parameter
• 10 min read
Moisture Migration: Water Activity, Fick's Law, and Packaging
Predict moisture movement by separating its water-activity driving force from diffusion rate, and compare packaging only with WVTR units and test conditions attached.
Moisture migration Water activity Ficks law