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So i was smelling some paints and i noticed, GW metallics smell quite bad. first i look to see the ASTM d-4236 logo and i seet some contain CMIT, but so do their other paints and they dont smell and from what i cant tell CMIT doesnt smell.
Why do they smell?

The ASTM logo doesn't necessarily mean non toxic. Tbh I don't think they are being completely honest about the toxicty of their products anyways.

My badger stynylrez bottle says non toxic. But I got the SDS from badger and it says it contains propylene glycol and 2-butoxyethanol, and gives all sorts of hazard warnings about eye irritation, vapors and whatnot. It's a weird contradiction, the bottle says one thing and the SDS says another. I will tell you I find Badger primer has an off putting smell, as does Vallejo. But the Badger stuff smells a lot stronger. I've decided to stop using airbrush primers indoors. Anything primed with it gets put in a half opened cardboard box outside so it can off gas any solvents and is allowed to cure for almost a week.

I wouldn't worry too much about standard acrylics. Just don't lick your brushes, don't make it airborne without a respirator (same goes with resin dust). Best not to get it on the skin either, skin is porous and will absorb what it comes into contact with.

 Thargrim wrote:
The ASTM logo doesn't necessarily mean non toxic. Tbh I don't think they are being completely honest about the toxicty of their products anyways.

My badger stynylrez bottle says non toxic. But I got the SDS from badger and it says it contains propylene glycol and 2-butoxyethanol, and gives all sorts of hazard warnings about eye irritation, vapors and whatnot. It's a weird contradiction, the bottle says one thing and the SDS says another. I will tell you I find Badger primer has an off putting smell, as does Vallejo. But the Badger stuff smells a lot stronger. I've decided to stop using airbrush primers indoors. Anything primed with it gets put in a half opened cardboard box outside so it can off gas any solvents and is allowed to cure for almost a week.

I wouldn't worry too much about standard acrylics. Just don't lick your brushes, don't make it airborne without a respirator (same goes with resin dust). Best not to get it on the skin either, skin is porous and will absorb what it comes into contact with.

I wouldn't read too much into safety data sheets unless the items specifically have a warning label on them, while it's true as you point out there are warning labels for ingredients in the product, these are only there as because 100% of it would cause the following symptoms, If you look carefully it tells you the concentration in the mixture and this is the important difference. For something to be lethal and highly toxic, you would only need to ingest a small amount over a 24 hour period (Also known as an LD50 dose), for the majority of hobby materials including metallics and paints, you would have to ingest a huge amount for it to become toxic to the point where it would harm you.

The ASTM label is there purely for art materials as sometimes the labels can be too small to include all the necessary warnings and that the manufacturer has taken all steps to ensure that the product is safe to use, the only exceptions where this doesn't count is solvents usually (Alcohol, naptha etc)

Although general advice is that it's never really a good idea to lick your brushes anyway and ingest any sort of material that isn't food or water regardless of the labelling.


Automatically Appended Next Post:

 Thargrim wrote:
The ASTM logo doesn't necessarily mean non toxic. Tbh I don't think they are being completely honest about the toxicty of their products anyways.

My badger stynylrez bottle says non toxic. But I got the SDS from badger and it says it contains propylene glycol and 2-butoxyethanol, and gives all sorts of hazard warnings about eye irritation, vapors and whatnot. It's a weird contradiction, the bottle says one thing and the SDS says another. I will tell you I find Badger primer has an off putting smell, as does Vallejo. But the Badger stuff smells a lot stronger. I've decided to stop using airbrush primers indoors. Anything primed with it gets put in a half opened cardboard box outside so it can off gas any solvents and is allowed to cure for almost a week.

I wouldn't worry too much about standard acrylics. Just don't lick your brushes, don't make it airborne without a respirator (same goes with resin dust). Best not to get it on the skin either, skin is porous and will absorb what it comes into contact with.

Oh, and also propylene glycol is a safe food additive and also used as a carrier for the nicotine in vaping liquid. It's just listed on the VOC database because of its evaporation rate. This is also the same for 2-butoxyethanol, it's used a lot in general household cleaners, but you'd have to be exposed to a seriously high amount to have an adverse effect.

They also taste bad, the worst now are the shades, I tried to pin wash using a fine detail brush, after I finished what I was doing I washed the brush and formed the tip with my lips the wash had left a nasty residue in the bristles which tasted awful almost onion like.