Glossary · Process & science
Primary drying
The first and longest phase of a freeze-drying cycle. Bulk ice is removed by sublimation under controlled vacuum and shelf temperature. Most cycle time is spent here.
Articles that use this term
- Technology How Freeze-Dryer Shelf Flatness and Contact Gaps Cause Uneven Freeze-Dried Fruit Drying Jul 22, 2026 · 7 min read
- Technology Continuous Belt Freeze-Drying vs Batch Tray Drying for Fruit Jul 17, 2026 · 7 min read
- Industry Insights How to Run a Freeze-Dried Fruit Nonconformance and CAPA Process with Suppliers Jul 10, 2026 · 8 min read
- Technology How Vacuum Pump and Gas Ballast Choices Affect Freeze-Dried Fruit Cycles Jul 10, 2026 · 7 min read
- Technology How Tray Bed Depth Shapes Freeze-Dried Fruit Cycle Time and Uniformity Jul 7, 2026 · 7 min read
- Technology Why Freeze-Dried Fruit Cycles Don't Transfer Cleanly Between Dryers Jun 30, 2026 · 7 min read
- Technology How Shelf-Temperature Ramp Rate Shapes Freeze-Dried Fruit Drying Jun 29, 2026 · 7 min read
- Technology How Dried-Layer Resistance Slows Freeze-Dried Fruit as the Sublimation Front Recedes Jun 26, 2026 · 7 min read