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Help Center(KD)Hot Sell Lab Research Equipment Freeze Dryer
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(KD)Hot Sell Lab Research Equipment Freeze Dryer
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.
Packaging
-Plywood or carton 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.
Service Promise
1. Products quality guarantee is for one year, after the product was sold.
2. In the warranty period, the users operate according to instruction but meet problems, our company will maintain free of charge.
3. Beyond the warranty period, products problems can also be solved by my company maintenance, but charge wiring components fees properly.
Technology Service
1. We have a mobile repair service team in our company, to carry out maintenance, consulting services in China for many years.
2. Users encounter problems when using our products, please contact us by telephone or email, we will be ready to provide consulting, maintenance and other services immediately.
CE Certification
Zhengzhou Keda Machinery and Instrument Equipment Co., Ltd. is specialized in R & D, production, sales, teaching and chemical biology pharmacy equipment integrated company.Company tenet: keeping reputation, valuing contracts, supplying lower prices and better quality equipments to serve the cause of China's scientific research.
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.
1. What's the minimum order quantity?
One set at present.
2. What kind of payment term do you accept?
Normally we accept TT, Paypal, Western Union, Alibaba Escrow, and L/C. The exactly term with be discussed during the deal.
3. How will you delivery these goods?
It will be decided according to your quantity. Normally we will choose International Express, Air and sea.
4. How will package glass equipment?
We package these glass equipment in good and non fumigation standard plywood.
5. Can you accept OEM terms?
Sure.
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