one of my soldering irons regularly glows cherry red hot when under usage. So far past 400 C. I don't use that every time I solder, but sometimes I do
That being said, I think the impact of the lead may be tiny compared to the rosin fumes. The real issue is someone in a factory who may handle leaded solder ever single day. The accumulated exposure over a lifetime is a big deal
That being said, I think the impact of the lead may be tiny compared to the rosin fumes. The real issue is someone in a factory who may handle leaded solder ever single day. The accumulated exposure over a lifetime is a big deal