6Kg 7Kg 8Kg Food Freeze Dryer Machine SUS304 Commercial Lyophilizer

• Unmatched Control and Usability: Simplify daily operation with a streamlined one-key start and an easy-to-use PLC touchscreen interface. Secure your processes with password protection for critical settings. Gain ultimate flexibility by switching between automatic runs and fully manual control, and save your own user-defined programs for repeatable success.
• Guaranteed Process Quality and Insight: Achieve perfect drying uniformity thanks to the precision-heated tray and accurate multi-sensor temperature monitoring. Make informed decisions by exporting detailed USB data logs and graphs for complete quality records. Visually verify each stage through the full-view acrylic door.
• Built to Last and Protect Your Investment: The entire processing zone is constructed from premium, food-safe SUS304 stainless steel for ultimate durability and easy cleaning. The sturdy powder-coated cabinet (upgradable to stainless) ensures a professional appearance. Integrated electrical protection safeguards the core compressor and vacuum pump systems. The low-noise vacuum pump also keeps the workspace cooler and more comfortable.
• Optimized for Productivity and Support: Run extended unattended cycles overnight to increase output. Reduce maintenance time with the automated defrosting feature. Rely on our guaranteed warranty and ongoing product support for confidence in your long-term investment. Enhance capability with the optional USB export module for seamless data handling.

• Q: What is the HS code? A: Typically 8419331000, 8419339090, or 8419399090. Confirm with your local customs.
• Q: How to get a quote and brochure? A: Tell us the model and quantity. You'll receive a detailed quote with specs and brochure.
• Q: Compatible with 110V/60Hz or 220V/60Hz? A: Yes. Supports 110V/60Hz and 200V-240V/50-60Hz. Specify your requirement when ordering.
• Q: Operating vacuum level? A: 15Pa (0.15 mbar).
• Q: English version available? A: Yes.
• Q: Can the power plug be replaced? A: Yes. We provide cords with various international plugs. Specify your standard.
• Q: Ready to use upon delivery? A: Almost. Connect the pump, plug in, and power on. Use the touch screen to operate.
• Q: Difficult to install for first-time users? A: No. We provide a manual, picture checklist, and a setup video for easy installation.
• Q: Can I get an oil-free vacuum pump? A: Yes, as an optional upgrade for extra cost.
• Q: What is the packaging? A: Strong plywood crate for safe international shipping.
• Q: Can it ship by air? A: Yes, but extra inspections/fees apply for refrigerant. Sea freight is more cost-effective.
• Q: Can we check quality before shipment? A: Yes. We provide photos and videos of your actual unit for approval before shipping.
• Q: Payment terms? A: T/T (Bank Transfer).
• Q: Delivery time? A: 5-20 working days after payment, depending on order.
• Q: Company location? Can we visit? A: Based in Shanghai with a factory nearby. Visits are welcome.
• Q: What certifications? A: ISO 9001 and CE.
• Q: After-sales service? A: Includes online support, video training, quick spare parts supply, and optional factory training.
• Q: Warranty? A: 12-month standard warranty (14 months for stock orders). Lifetime maintenance support.

Freeze-drying is a controlled dehydration process essential for preserving sensitive materials. It works by first freezing the product and then applying a vacuum, allowing the frozen water to sublimate. This results in a dry product that retains its original shape and chemical composition, making it a gold standard for preservation.

Modern industrial freeze-drying is conducted in specialized chambers. The cycle involves three critical phases: initial freezing of the product, primary drying where ice sublimates under vacuum and controlled heat, and secondary drying to remove bound water molecules. The speed, temperature, and final product format (such as solid granules) are meticulously calibrated based on chamber design and the specific properties of the material being processed.

The history of this technique is a story of cross-cultural innovation meeting modern science. Early evidence points to its use by ancient civilizations like the Aztecs and Eskimos. The formal scientific journey included key 19th and early 20th-century work on biological samples, including organs and viruses. Wartime needs in the 1940s accelerated its development for medical applications. Subsequently, it transformed consumer markets—first with adventure foods in the 1950s, then with NASA's space program meals, and decisively with the global success of freeze-dried coffee in the mid-1960s.

• Extended Preservation: It offers a shelf life that is multiples longer than fresh food, ensuring safety and reducing waste.
• Maximum Nutrient Integrity: The low-temperature, oxygen-poor environment protects delicate nutrients, enzymes, and in products like dairy, viable probiotics.
• Economic and Operational Efficiency: It leads to significant savings through reduced spoilage, lower storage and freight costs, and provides ultimate convenience for end-users, from home cooks to laboratory technicians.