ABS plastic or Other?

[Team707]

Does anyone know if Keystone uses ABS plastic or another material for its holding tanks?

[chuckster57]

Waste tanks should be ABS like the drain pipes. Fresh tank is a different material.

[wiredgeorge]

Tanks will either be ABS; usually two halves plastic welded together or Low Density Polyethylene. Found this plastic ID link: https://www.injectionmould.org/2019/...dentification/

My tanks are very dark gray or perhaps black in appearance. I suspect if you need to know, get some acetone and go to an area that isn't critical and put some acetone on the surface (little bitty bit) and acetone will soften/melt ABS but not poly. Don't do enough of this test to damage the tank of course but the surface will soften/mushy a bit.