Helium can be bought on e-commerce platforms such as Alibaba. Or the helium bottle market. Helium bottles, chemical reagents, equipment suppliers, special filling stations and factories are all sold. That is to say, many manufacturers have their own official website, so you can directly search and contact the manufacturers to purchase.

Generally speaking, professional and regular gas companies have helium for sale. For example, Neurade Gas, a special gas supplier with import and export qualifications, can import helium directly from the United States. If the customer needs to buy helium in large quantities and needs helium wholesale service, provide services for him. According to the customer's demand, the helium of the tube bundle truck can be packaged into cylinders of different specifications.

Extended data should be kept away from fire sources, oil wax, direct sunlight, heavy blows and collisions. Arc striking or arc striking is strictly prohibited. Rough handling is strictly prohibited. Helium cylinders should be transported by special carts for short-distance movement and dangerous goods transport vehicles for long-distance movement. The temperature of liquid helium is 4.25K, which will cause severe frostbite if it comes into contact with skin.

Normally, the pressure is 15MPa. When in use, use a decompressor such as YQY- 12 or 152IN- 125 to decompress before use. Before use, check the gas pipeline with soapy water to ensure that the gas pipeline does not leak.

Baidu encyclopedia-helium