PTL,
It needn't be this confusing. Maybe a couple of points to clear up.
1. If you have rusty steel to lock down ZR will do a better job than epoxy primer. Epoxies need pretty well prepared steel before they'll even talk to you.
2. If you have white metal to start with use the "system" (ZR really won't add anything to the performance.
3. If you NEED to go with ZR, put it on and let it go to full cure (30 days). This allows firming of the film thus reducing the possibility of reaction with fresh coatings and as importantly allows all the shrinkage in the film to take place before overcoating with other solvent loaded products.
4. If you have ZR down and cured, give it a scuff sand and build your SANDABLE system on top. That would not be your epoxy primer but more along the lines of a high build polyester primer for blocking out defects. Adding epoxy over ZR would be redundent as well a counter productive.
There are cases for one or the other product. Rarely, if ever, for the 2 together.......
Bruce Palmer
Salem OR
[email protected]
