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jakesbackyard · 06-29-2011, 09:19 PM

I hate to be the bearer of bad news, but the DP primers are not an etching primer. DP is an epoxy primer designed to go over sanded and cleaned bare metal to give a great seal against corrosion.

DPX 170 and DPX 171 are PPG Deltron self etching primers and contain a chemical ingredient to "etch" the metal.

DP can be top coated or coated with a primer surfacer for more fill. the DPX must be covered with another undercoat, but not DP.

Google PPG refinish products and you can look up the entire line of products and each ones product data sheets.

Hope this helps. Jake.

06-29-2011, 09:19 PM	#8
jakesbackyard Member Join Date: May 2010 Location: Wahpeton, ND Posts: 82	Re: Primer Sealer I hate to be the bearer of bad news, but the DP primers are not an etching primer. DP is an epoxy primer designed to go over sanded and cleaned bare metal to give a great seal against corrosion. DPX 170 and DPX 171 are PPG Deltron self etching primers and contain a chemical ingredient to "etch" the metal. DP can be top coated or coated with a primer surfacer for more fill. the DPX must be covered with another undercoat, but not DP. Google PPG refinish products and you can look up the entire line of products and each ones product data sheets. Hope this helps. Jake.