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Help Center< KD> Electric Freeze Dryer Machine With 3kg 24h About Catch Water Ability
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<KD> Electric Freeze Dryer Machine with 3kg 24h about Catch Water Ability
Brief introduction
Freeze drying is a process whereby water is removed from frozen materials by converting the frozen water directly into its vaper without the intermediate formation of liquid water.The basis for this sublimation process involves; the absorption of heat by the frozen sample in order to vaporize the water, the use of a vacuum pump to enhance the vapor onto a condenser; the removal of water vapor from the surface of the sample; the transfer and deposit of water vapor onto a condenser; the removal of heat, due to ice formation, from the condenser by means of a refrigeration system.In essence, the freeze dry process is a balance between the heat absorbed by the sample to vaporize the water and the heat removed from the condenser to convert the water vapor into ice.
Freeze dry process: Dehydration is an important process for the preseration and storage of biologicals, pharmaceuticals and foods. Of the various methods of dehydration, freeze drying (lyophilization) is especially suited for substances that are heat sensitive. Other than food processing(e.g. coffee, whole dinners) freeze drying has been extensively used in the development of phamaceuticals(e.g.,antibiotics) and preservation of biologicals (e.g. proteins, plasma, viruses, and microorganisms). The nondestructive nature of this process has been demonstrated by the retention of viabilitity in freeze dried viruses and miocroorganisms.
1. ZZKD Instruments provides one year warranty for the products described here.
2. The warranty covers part and manufacturing defects. In the case of a part or manufacturing defect, the device shall be repaired or replaced free of charge under the terms of the warranty.
3. Beyond the warranty period, product problems can also be solved by our company, but charge component cost and maintenance cost properly.
4. ZZKD Instruments shall not assume liability for any damages incurred as a result of improper handling.
5. If you encounter problems when using our products, please contact us by telephone or e-mail, we will be ready to provide consulting, maintenance and other services immediately.
Packaging
-Wooden case packaging;
-Both neutral and customized packaging can be available.
Shipping
-We can ship the goods to you by International Express such as DHL, TNT, EMS, FedEX and so on and you can also choose the appropriate one based on your timeline and budget. Besides, you can definitely choose to use your own shipping agent.
Zhengzhou Keda Machinery and Instrument Equipment Co., Ltd.
Our company always adheres to the "quality casting brand, professional achieves service" business philosophy, and the main product is rotary evaporator, jacketed glass reactor, single layer glass reactor, circulating water vacuum pump, low temperature reaction bath (slot), low temperature cooling fluid circulating pump(cooling chiller), vacuum drying oven, blast drying oven, high-pressure reaction kettle, microwave chemical reactor, freeze dryer(lyophilizer), water/oil bath, magnetic heating stirrer, hydrothermal synthesis reactor, heating mantle, lift platform, etc.
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