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Depending on the type people can develop severe allergy to contact with resin in vapour/droplet form and in any case it shouldn't be used internally even after curing.

No. There is resin rated for limited skin contact and food contact once cured, that's about it. These are all acrylates, once cured they're fairly safe to handle in limited ways, as liquids they're all varying degrees of toxic, including beyond just drinking it.

Mmmmm. I've read the msds. It wasn't remarkable.
I'm getting lots of accidental exposure. Gloves breaking, resin seeping out of voids etc. So, what is should I be worried about?
I'm using monocure3d rapid gray if that helps.

I think so. I once visited a Formlabs expo and they were using some kind of special non toxic resin because it was a public place. Probably expensive though.

Nipuna Gunarathne I would pay triple for non toxic :D

There is no FDA approved UV curable resin. Period. Point blank. Even resins used for casting are not considered food safe when pigmented powders are added due to the pigments not being regulated.

Also it is super unlikely a UV resin will ever receive a food safe rating in the US.

Simply no

Yes. AND No. As has been stated there are NO Government Approved Curable Resins.

That said, there are companies that do 'Biocompatible Resin' for Dental/Surgical work. Depending on what you wanna do wi' it they may suffice.

However, average price is @ $350 per Litre . . . You may also struggle finding some in-country.

formlabs produces a resin that after being sterilized can be used for dentures, but it only works for sla printers, and is very expensive https://dental.formlabs.com/materials/

Eduardo Parati there are quite a few dental resins that are safe for oral use (for denture bases, temporary crowns and individual trays) but they are all above 200 euro mark per 0.5 l

Look at Anycubic’s Eco Resin

Rand Stamm The eco is still toxic, it's just made from a more renewable source.

Are we talking to drink? To touch? I’m not sure what you mean?

Everything is toxic at certain levels ?‍♂️

Well, I am yet to see an SDS for that resin, but the only real difference is that the liquid polymer is made using soybean oil, rather than oil pumped up by a rig at sea, or whatever.

So the oil is more renewable, and therefore more eco-friendly. But it's not likely to be any less toxic to humans than regular resin.

Having said that, it's a really good resin, and ecology is important ?

There are dental resins that are used to make oral appliances like retainers. I would imagine they'd need non-toxic by the nature of their use. One of the brands I use are designed for the dental industry - Nextdent. Not cheap though!

tree resin