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72bowtiestepper · 04-07-2019, 02:57 PM

I would mix a small amount up & spray a scrap sheet metal part that was clean...after drying try sanding it & if it seems OK, use it. I have paint & primer a LOT older than 1 yr. that I have used with good results.

04-07-2019, 02:57 PM	#3
72bowtiestepper Registered User Join Date: Feb 2013 Location: Northwest NJ Posts: 684	Re: Shelf life of primers? I would mix a small amount up & spray a scrap sheet metal part that was clean...after drying try sanding it & if it seems OK, use it. I have paint & primer a LOT older than 1 yr. that I have used with good results.