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Auto body repair & detailing/flattening agent dx 685


what is the mix ratio for an eggshell finish using dc 2000 clear with dx 685

Hi Kevin,

The only flattening agent recommended for DC2000 is SU4985 Universal Flattening Paste. Here is the tech sheet for SU4985

If you decide to use DX685 as a substitute you will need to test it. Again there is no official recommendation for using DX685.

Auto body repair & detailing

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I can answer most questions on auto refinishing materials. Especially PPG products. I have knowledge in the latest repair materials and techniques. When it comes to automotive paint I have a solid understanding of how things work.


I have worked in a PPG paint retail/wholesale business for the last 15 years. I have dealt with many issues regarding paint and repair materials on a daily basis over the years. I don't know that I have all the answers but I would be willing to try.

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