Does thermal paper affect the human body?

Speaking of thermal paper, everyone is no stranger, except for small ticket purchases in supermarkets, fax papers, POS purchase orders when swiping credit cards, credentials for ATM deposits and withdrawals, taxi tickets, lottery tickets, etc. The principle of thermal paper is to apply a layer of heat-sensitive paint on high-quality base paper, which contains bisphenol A, which plays the role of developer. It is a commonly used color developer for thermal printing paper. Supermarket cashier, office printing is all thermal paper. This kind of paper is relatively cheap, and the price of a single roll is 2 yuan, and the price of a piece is about 160 yuan. A better paper is around 200 yuan, and a better environmentally friendly ticket paper is usually ordered from the manufacturer.

"Bisphenol A" is non-toxic under normal conditions

The Polymer Science teacher of the School of Chemistry explained that bisphenol A is a low-toxic chemical substance. It is very stable at room temperature, reaching a certain dose, and causing hidden dangers such as endocrine disorders. According to the national standard, the thermal paper contains a small amount of color developer bisphenol A, which will be volatilized soon after contact, and will not cause great harm, but pregnant women and infants under 3 years old should avoid contact.

Therefore, when buying thermal paper, don't just look at the price, be sure to pay attention to the quality of the paper and harm to the human body.