3 ms·

Even if they are, that doesn't mean they're safer https://www.epa.gov/sciencematters/are-bpa-substitutes-any-safer-bpa https://www.epa.gov/sciencematters/are-b

• heeton 2y ago
  That study looked at 6 similar plasticizers. The alternative chemicals for thermal paper are totally different. That's not to say that they are guaranteed safe, but that study is inapplicable. E.g. one type of paper claims to use Ascorbic Acid (vitamin C). No idea what else is in it of course, but it's not a BGA-analogue plasticizer.
  • kube-system 2y ago
    > E.g. one type of paper claims to use Ascorbic Acid (vitamin C). No idea what else is in it of course, but it's not a BGA-analogue plasticizer. How would you know it doesn't, if you don't know what's in it? Regardless, my point is that many BPA-analogue containing products advertise their BPA-free status.
    • heeton 2y ago
      My comment was that BPA is not used in thermal paper as a plasticizer, which that linked study was examining.
      • kube-system 2y ago
        Yes, it's a used as a developer, but as is common in many cases when replacing chemicals with other chemicals -- similar chemicals have similar properties. And in fact, some BPA-free thermal paper use BPS for example.