One to lower the temperature; one to prevent oxidation, which can increase the storage time. It plays a big role in the food packaging industry.
Nitrogen, the chemical formula is N2, which is usually a colorless and odorless gas, and generally nitrogen is less dense than air. Nitrogen is chemically inert and hard to react with other substances at room temperature, so it is often used to make preservatives. However, under high temperature and high energy conditions, it can be chemically changed with certain substances to produce new substances that are useful to humans.
Automatic Liquid Nitrogen Injection nitro dosing Machine, can bring convenience to the customer in the process of filling and packaging products, easy to use, and low