High temperatures have swept the country, and many cities have opened the "scorching" mode. With the continuous development of hot weather, there are also many "artifacts" on the market to cool down. Although these "artifacts" can help alleviate the discomfort caused by high temperatures to a certain extent, consumers still need to choose carefully and use them correctly.
Ice porcelain cooling fan, ice cooling sticker, neck cooling ring, cold feeling cooling spray...... After entering "cooling supplies" on an e-commerce shopping platform, the retrieved goods can be described as dazzling. Among them, the total sales of the ice porcelain cooling fan with the best sales volume exceeded 100,000, and the praise rate of the product also reached 4.7 points. The sales volume of a certain brand of cooling stickers also exceeded 500,000 pieces and received more than 10,000 praises.
According to the product introduction page of the ice porcelain cooling fan, users should hang it around their necks when using it, and after turning on the machine, they can achieve "strong cooling of ice porcelain pieces" and "360 global surround wind cooling in seconds without stuffiness". The halterneck cooling ring is more convenient to use, just wear it around the neck to cool down, and it can be reused.
On an e-commerce platform, the most sold cooling product is a relatively low-priced cooling sticker. This cooling patch is made of peppermint extract and water-based polymer gel, which can be directly attached to the forehead, wrists, etc., and cooled down through blood circulation. According to the product description page, the cooling patch can reduce the skin temperature from 36 degrees before application to 24 degrees Celsius, and can "last for 8 hours".
The ice porcelain cooling fan mainly uses the ice porcelain cooling principle. According to reports, the special feature of the ice porcelain fan is the special ceramic material built into the fan, which has more micropores, which increases the surface area of the air when it comes into contact with the ice porcelain, so as to transfer heat to the ice porcelain with a lower temperature faster, so the wind blowing out is cooler than the ordinary fan.
According to a businessman, the halterneck cooling ring is mainly filled with phase change material (PCM), which can change the state of matter with the change of external temperature, thereby absorbing or releasing a large amount of latent heat, and is a special material widely used in aerospace, construction and other fields. Therefore, the halterneck cooling ring can be naturally crystallized in the environment of 28 degrees and below, and the user hangs it around the neck when going out, and the cooling ring will change from solid to liquid after contacting the human body temperature, absorbing heat, so as to achieve the purpose of cooling. It can be seen that these "artifacts" for cooling down can be said to have their own magical powers in order to achieve the effect of cooling.