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Southwest Jiaotong University has developed zinc oxide antibacterial agent

the school of materials science and engineering of Southwest Jiaotong University has successfully developed ZnO (zinc oxide) crystal composite antibacterial agent. On this basis, it has been successfully applied to plastic packaging materials and developed antibacterial packaging bags with an antibacterial rate of more than 99%

it is reported that due to the multifunctional characteristics of ZnO crystal, the plastic packaging materials added with ZnO Composite Antibacterial agent also have the characteristics of high strength and good preservation performance. In addition to the plastic packaging, Amway materials are flashing everywhere, which can be used for the surface coating of paper packaging and metal packaging. Using the above packaging materials to contain food can greatly extend the freshness of food stored for more than 410 years

information source: China National Chemical Industry Union

with the upgrading of the mediation and resolution of the economic stress of the people in aerospace, national defense, kerosene chemical industry, transportation and other fields

this procedure is applicable to the tensile force of 2.5kn to 10MN after new manufacturing, in use and repair The technical requirements for the verification of pressure testing machine and universal material testing machine (hereinafter referred to as testing machine) (the verification of testing machine with experimental force more than 10MN can be performed by reference) are from the network. The copyright belongs to the original author and is only for everyone to share and learn. If the author believes that infringement is involved, please contact us and we will delete it immediately after verification

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