How do I remove a green-gray cast from stripped oak?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Your piece could have been treated with a copper based compound meant to prohibit mildew or bugs when it was manufactured. If so, the copper has permeated the wood and given it the greenish patina that you see now. There is no way to remove this.
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