Thermal paper contains bisphenol A, which is harmful in excessive intake, but the content in the receipt is very small, which will not cause poisoning and cancer.
China has stipulated a number of standards for bisphenol A, such as Hygienic Standard for Polycarbonate Molded Products for Food Containers and Packaging Materials and Analytical Method for Hygienic Standard for Polycarbonate Resin for Food Containers and Packaging Materials. Which stipulates that the dissolved amount of phenol in carbonate resin and molded products should not exceed 0.05 mg/kg.
However, there is no clear national standard for the dosage of bisphenol A in thermal paper. At present, there are many manufacturers of heat-sensitive paper in the market, and the formula specifications are different, and the dosage of bisphenol A is also different, so it is difficult to define the dosage of bisphenol A.
Extended data:
Determination of bisphenol A in thermal pap
The supermarket shopping receipt, if the paper is yellow and the words are blue, may not have bisphenol A; If it is very white paper with black words on it, you can draw black lines on it by hand, which is thermal paper containing bisphenol A.
In shopping receipts and other papers, the content of bisphenol A is very small, which will not cause poisoning, but for the sake of health, try not to touch it for a long time, especially if there is sweat or oil on your hands.
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