The shopping receipts mentioned in the previous article actually contain bisphenol A, which has aroused widespread discussion and attention from readers, and today I will take you to know those things about bisphenol A in shopping receipts!
How can there be BPA in the shopping receipt?
The so-called thermal paper is actually coated with a layer of thermal coating on the base paper, the thermal layer is composed of colorless thermal dye, weakly acidic developer and filler, bisphenol A is dispersed in the filler together as a developer and dye, and the stylus of the printer melts the filler when printing, so that the dye and the developer contact and chemical reaction occurs, and the dye changes from colorless to black or other colors, and the required information is displayed on the paper. Without BPA, the dye would not be able to react chemically, and the receipt would not display the information.
In fact, in addition to shopping receipts, thermal paper can be seen everywhere in life, such as takeaway orders, taxi tickets, POS purchase orders, ATM machine vouchers, dining table meal receipts, payment vouchers and lottery papers.
Why does bisphenol A in shopping receipts enter the human body?
It can be seen from the principle of printing shopping receipts that bisphenol in shopping receipts usually exists on the surface of shopping receipts in a free form, which makes it easier for bisphenol A to migrate or get wet, and then enter the human body through **. Studies have shown that the hand-held receipt bisphenol A will be transferred to the finger**, if the finger is wet or greasy, the amount of bisphenol A migration will be ten times that of the dry finger, after holding the invoice for 2 hours, bisphenol A will penetrate into a certain depth, resulting in endocrine disorders and increased risk of obesity.
So what do you do with your receipts?SGS gives you professional advice!
Although the toxicity and harmfulness of BPA have been confirmed by many authorities and experts, SGS recommends that we do not panic too much and try to minimize exposure to BPA by developing some good lifestyle habits, which can help us stay away from BPA
Do not allow pregnant women, infants or children to touch the receipt;
When your fingers are wet and greasy, be sure not to touch the receipt
It is best for cashiers to take protective measures when working;
After touching the receipt, be sure to wash your hands thoroughly, but do not use alcohol-based hand sanitizer to wash your hands, alcohol can promote the passage of bisphenol A**, increasing its harm.
Please click to view: Childhood obesity may be caused by BPA How to "**** BPA in life".