stripping zinc with vinegar
On 2/26/2011 1:29 AM, dilbert firestorm wrote:
On 2/25/2011 10:29 PM, Oren wrote:
On Fri, 25 Feb 2011 22:05:17 -0600, dilbert firestorm
wrote:
Why do you want to strip it?
If it is just so paint will stick and not peel, a full cycle through the
dishwasher or soaking in a pan with hot water and dish machine soap will do
the job.
Colbyt
what does the dishwashing process do to it?
I'm not sure, but I understand the galv. finish is kind of oily. Clean
it to paint it?
Hey! Try TSP with phosphate, (not the green box) like in a "dish
machine". Makes sense for just painting the material.
What exactly are you trying to do?
I was intending to spray paint it black. I was advised not to spray
paint it until the zinc was removed in the "painting metal braces" thread.
the responses to removing zinc ranged from using muriatic acid to
scruffing/scraping it along with dishwashing it somwhere in the mix.
I believe the instructions went like this, stick the plates in the
dishwasher, after the soap and rinse cycle, dry them and scuff/scratch
the zinc off with some type of rough pad.
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