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General
Freeze Dryer: Preserve Your Products Safely
05
Sep
Sep
Keeping products safe, fresh, and high-quality is crucial for labs, food businesses, and the cosmetic industry. A Freeze Dryer is one of the best tools for this. It removes water from materials using freezing and vacuum technology, preserving their shape, nutrients, taste, and quality.
At Caresource, we offer two excellent models: the Tabletop Freeze Dryer and the Pilot Freeze Dryer FD20/30S. Both are designed to make freeze drying simple, efficient, and reliable for any lab or small production setup.
What is a Freeze Dryer?
A Freeze Dryer, also called a lyophilizer, preserves products by freezing them and then removing water under vacuum. Unlike normal drying, freeze drying works at very low temperatures, which protects sensitive materials like medicines, food, and lab samples.
The result is lightweight, safe products ready for storage or transport. Caresource ensures our freeze dryers maintain high quality and reliability for all your needs.
How Does Freeze Drying Work?
Freeze drying works in three main steps:
- Freezing – The product is frozen to very low temperatures (–40°C or below).
- Primary Drying (Sublimation) – The vacuum changes ice directly into vapor, removing most of the water.
- Secondary Drying (Desorption) – Gentle heat removes any remaining moisture.
The result is a dry product that keeps its original color, shape, flavor, and nutrients. With Caresource freeze dryers, this process is safe, efficient, and consistent.
Our Freeze Dryer Products
1. Tabletop Freeze Dryer
The Tabletop Freeze Dryer is compact, perfect for labs or small-scale work.
Key Features:
- LCD touch screen for easy control
- Historical data inquiry function
- USB interface to export data
- Large capacity ice condenser trap, no coil inside
- Cascade refrigeration technology
- Pre-freezing shelf doubles as guide barrel to speed drying
- Ice condenser trap and operation panel made of stainless steel
- Transparent drying chamber for safety and visual monitoring
- Adjustable stainless-steel shelves
Best For:
- Laboratory research
- Small food or cosmetic batches
- Educational labs
2. Pilot Freeze Dryer FD20/30S
The Pilot Freeze Dryer FD20/30S is a medium-capacity model for larger batches and pilot studies.
Key Features:
- Pre-freezing, drying in-situ, easy to operate, excellent drying effect
- Safety diaphragm valve, connects to inert gas, extends shelf life
- Freeze-drying curve optimization controls pre-freezing and sublimation stages
- 7-inch true color touch screen
- Save hundreds of process recipes, each with 50 temperature control sections
- Intelligent data recording system with real-time display and export options
- Manual and automatic control modes
- Real-time alarm display and historical alarm query for fault diagnosis
- User-level access and password management for operation control
Best For:
- Medium-scale production
- Pilot studies in R&D
- Food, pharmaceutical, and cosmetic testing
Table: Comparison of Our Two Freeze Dryers
| Feature | Tabletop Freeze Dryer | Pilot Freeze Dryer FD20/30S |
| Capacity | Small batch | Medium batch |
| Size | Compact, lightweight | Larger, medium footprint |
| Best Use | Lab research, small samples | Pilot studies, small production |
| Ease of Use | Very simple, plug and use | Requires setup, advanced controls |
| Material Types | Samples, plant extracts, food | Food, pharma, cosmetics |
| Speed | Quick for small batches | Efficient for larger quantities |
| Storage/Transport | Lightweight, portable | Stable for medium batch handling |
| Control | LCD touch screen | 7-inch color touch screen, manual & automatic |
| Data Management | USB export, historical inquiry | Intelligent recording, export, recipe storage |
| Safety & Material | Stainless steel, transparent chamber | Safety diaphragm valve, alarm system, user-level access |
How to Use a Freeze Dryer
Using a Caresource Freeze Dryer is simple if you follow the steps carefully:
Step 1: Prepare Your Product
- Cut samples into small pieces for faster drying
- Spread evenly on trays
- Avoid overfilling trays
Step 2: Load the Freeze Dryer
- Place trays inside
- Close the door tightly to maintain vacuum
Step 3: Set the Parameters
- Choose freezing temperature
- Set drying time based on product type
- For Pilot FD20/30S, adjust vacuum, temperature, and process recipes
Step 4: Start the Freeze Drying Process
- Turn on the machine
- Wait for freezing
- Vacuum removes moisture through sublimation
Step 5: Monitor the Process
- Check occasionally
- Ensure vacuum and temperature are stable
Step 6: Remove and Store Products
- Carefully remove trays
- Store in airtight containers
- Label with date and product name
Tips:
- Always use clean trays and tools
- Avoid very wet or sticky samples
- Clean machine regularly
Why Choose a Freeze Dryer from Caresource?
- Long Shelf Life: Products last years without spoiling
- Retains Nutrients: Vitamins, proteins, and active ingredients remain intact
- Safe Storage: Prevents bacteria and mold growth
- Lightweight & Portable: Easy to store and transport
- Easy Rehydration: Add water to return products to original state
Freeze Dryer vs Regular Dryer
| Feature | Freeze Dryer | Regular Dryer (Hot Air) |
| Temperature | Very low (–40°C and below) | High (40–100°C) |
| Product Quality | Retains nutrients, taste, shape | May damage nutrients or color |
| Shelf Life | Very long (years) | Short (months) |
| Rehydration | Easy and fast | Usually not possible |
| Cost | Higher | Lower |
Where Can You Use Them?
Tabletop Freeze Dryer:
- Small labs and research facilities
- Educational labs
- Drying small food or plant extract batches
Pilot Freeze Dryer FD20/30S:
- Medium-scale production in food and pharma
- Cosmetic and skincare labs
- Pilot testing for industrial production
Freeze drying is a safe, efficient, and reliable way to preserve food, medicines, cosmetics, and lab samples.
- Tabletop Freeze Dryer: Perfect for small labs and sample batches.
- Pilot Freeze Dryer FD20/30S: Ideal for pilot testing and medium-scale production.
At Caresource, we provide all types of Overhead Stirrers and Magnetic Stirrers, as well as Freeze Dryers for labs, research centers, and industries.
By following the simple steps above, you can use your freeze dryer effectively, keep your products fresh, and maintain high quality every time.
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