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Old 03-23-2010, 06:14 AM
red65mustang red65mustang is offline
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I was wrong,,,never used dupont 224s,,,it is a metal "coater" type treatment,,,not a "cleaner" like 5717 or DX...

basically you soak and scrub till there is a totally uniform grey coated surface (ospho has no zinc to form zinc phosphate)...

here's the Dupont conflicts with their own instructions in the DMC stainless article I have found so far:
5717 TDS says NEVER use on stainless...
Corlar 824-S Epoxy TDS says NOT for use on stainless but DO use 5717 cleaner treatment and says nothing about using 224s coating treatment as a final step...

yup, good grief,,, that 1982 Dupont bulletin/article begs for a phone call to Dupont tech!!!!
(but we have never painted a Delorean so maybe it works for that specific stainless application)

Last edited by red65mustang; 03-23-2010 at 06:57 AM.
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