6 64avanti Promoted Users Oct 23, 2023 #1 I have half a qt. Of the SPI 950-4 Flattening Agent dated 08/18/15. It mixed up nice and smooth. Is it still usable?
I have half a qt. Of the SPI 950-4 Flattening Agent dated 08/18/15. It mixed up nice and smooth. Is it still usable?
crashtech Combo Man & Mod Oct 23, 2023 #2 Very interesting! I do not think I would use it, but then again I have no idea. I'd just be scared of ruining something.
Very interesting! I do not think I would use it, but then again I have no idea. I'd just be scared of ruining something.
Barry Paint Fanatic Staff member Oct 24, 2023 #3 Should be fine if mixes up well. I have a gallon I check every 6 months to a year and it's old.
