Material characteristics of media bottles

 Serum refers to the pale yellow transparent liquid separated from plasma after fibrinogen and some coagulation factors are removed from plasma after blood coagulation, or plasma from which fibrinogen has been removed. Media bottles for storing serum are generally made of polyester (PET) material. What are the characteristics of this material?

The storage temperature of serum is generally -5 °C to -20 °C, and its main functions are to provide basic nutrients, hormones and various growth factors, binding proteins, contact-promoting and growth factors to protect cells from mechanical damage, Cells in culture provide some protection. The media bottle made of PET has the following characteristics:

1. High transparency and good gloss;

2. Good mechanical properties, the impact strength is 3-5 times that of other films, and the folding resistance is good;

3. Oil resistance, fat resistance, dilute acid, dilute alkali, and most solvents;

4. Good heat aging resistance, the embrittlement temperature is -70 °C, and it still has a certain toughness at -30 °C; PET is not easy to burn, the flame is yellow, and the burning oil drips;

5, non-toxic, tasteless, good hygiene and safety, can be directly used for food packaging;

6. The gas and water vapor permeability is low, and it has excellent gas barrier, water, oil and odor properties.

The excellent characteristics of PET material fully meet the storage requirements of serum. This media bottle can also be used for long-term storage of aqueous solutions, such as culture medium, trypsin, reagents, etc.

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