Jun 10, 2016 0 comment

“I have an aluminum sand cast housing and need to know what the correct process is for applying powder coating. We also use a chromate conversion coating on the unpainted surfaces for corrosion protection. I have heard 2 different stories of which coating to apply first (powder coat then chromate and vice-versa) Please provide any information as to what is the correct procedure for this process. Thank you.”


“Always chromate before you powder coat if you want the corrosion protection under the powder coating surface. This technology will offer 5000 hours of salt spray protection.”
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