"Snow spray" is the product of celebration activities, which often appears in weddings, celebrations and gathering places to mobilize the atmosphere.
According to chemical experts, products such as "vanishing cream" sold online may contain alkaline chemicals. If it accidentally enters the eyes or causes damage to the cornea, consumers should wash it with clear water in time. In serious cases, they need medical treatment. In addition, experts remind that when using such products, we must avoid fire sources and eliminate potential safety hazards.
Go viral on the Internet.
A small spray can can create a romantic scene of "snow flying all over the sky", and a product called "snow spray" became popular on the Internet.
"Snow spray" looks like a pesticide spray in a canned bottle. After shaking and pressing, it can spray a white foam-like substance similar to snowflake, which falls on clothes or articles and turns into water after a period of time.
Matters needing attention
Firefighters reminded: "The raw materials of' snow spraying' are flammable and explosive, so be sure to stay away from open flames when using them, especially for children." Snowflake products are flammable and harmful to the skin because they are dissolved in organic solutions, such as ethanol, methane, ethane, propane and butane.
Chen Dong, an associate professor at beijing university of chemical technology College of Materials Science and Engineering, told Beiqing Daily that from the product appearance, such "flying snow" and "snowflake spray" products are canned and "will contain common compressible gases such as alkanes, and flammable substances such as butane may be used in lower-cost products. Moreover, products such as' flying snow' are more flammable and burn faster than ordinary alcoholic products. "
As for the chemicals sodium nitrite and sodium benzoate contained in "flying snow" and "snowflake spray", Chen Dong said: "Both are weakly alkaline substances, and sodium benzoate is usually used to make preservatives. Their harm to skin and eyes mainly depends on the dosage and concentration. Usually, in the case of small amount and small concentration, it should not cause harm to the skin, but it may cause irritation to the eyes and burn the cornea. "
Chen Dong reminded that when people come into contact with products such as "flying snow" and "snowflake spray", they should first try to avoid letting children operate or touch them. Secondly, we should pay attention to avoid fire sources. Thirdly, "If the product concentration is not particularly high, if it accidentally enters the eyes, it must be washed with plenty of water. If the situation is serious, seek medical advice promptly. "
Dr. Dai Yanan also reminded: "Although these chemicals are not toxic, they are weakly alkaline. Once they accidentally enter the eyes, it is easy to cause serious damage to the eye tissues. If they are not properly treated in time, they will lead to serious vision loss or even blindness. "