Is thermal paper rolls toxic

In normal environment and temperature, the thermal paper rolls produced by regular manufacturers is non-toxic, but the temperature change will make it toxic. After contacting with the thermal paper bills, please wash your hands immediately if possible, do not use the alcohol detergent, do not use the hand that has touched the small bills to directly contact the mouth, such as touching food and eating with your hands.The toxic elements in thermal paper rolls mainly come from bisphenol A.But our factory can produce thermal paper rolls paper without BPA and obtain relevant certificates.