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website says water-based acrylic, but engine degreaser works so well to remove them a friend of mine and me were wondering if mayne they were partly oil based.

I don't believe so. However acrylic is a plastic so the degreaser may be reacting with the plastic rather than the medium.

gendoikari87 wrote:
website says water-based acrylic, but engine degreaser works so well to remove them a friend of mine and me were wondering if mayne they were partly oil based.

Acrylics. As in, made of polymers and resins. Water is used as the base, or more accurately the stuff thinning the acrylic so that it's paint, not a solid blob.

Once the paint drys, the water is gone, leaving nothing but polymers and resins, which engine degreaser will happily destroy.

But Gw plastic is also plastic

dunno man

from what i understand most stripping things penetrate the layers of paint and loosens them up rather than dissolving it (besides acetone)

its possible its reacting to the medium (at least in the case of isoproponal)

As a general rule...something which cuts through grease, will slice through a water based material with ease. I strip all of my models with Super Clean which is indeed another automtoive degreaser.

 Elbows wrote:
As a general rule...something which cuts through grease, will slice through a water based material with ease. I strip all of my models with Super Clean which is indeed another automtoive degreaser.

that's exactly what we're using. seems to work like a charm and not harm the plastic

Yep. It works better on metal than plastic, but it does okay with plastic too. Just be careful as it's rather nasty stuff. Use gloves and don't huff it.