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Zinc phosphate vs. gilded surface

We have to re-gild an outdoor sculpture. What about the adhesion (bonding) of zinc phosphate primer ⇦ this on eBay or Amazon [affil links] on a gilded (gold leaves) surface? Jerome R. Morissette
Centre de Conservation du Quebec - Quebec City, Quebec, Canada
2003

Zinc phosphating is not suitable for gold surfaces. It will have poor adhesion.It is only suitable for iron surfaces.

Manish Chandra
- India
2003

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