Green Stone Inlaid Copper Strip? How To Solve This Problem!

Although cupreous is good, but people is in use process, both sides of the aperture that often discovered set cupreous can appear hair green, blackened phenomenon. Very difficult to clean and remove.

This phenomenon is particularly obvious in stone materials. Investigate its reason, the polishing material that uses when maintaining with stone material has close relation.

1, Acid materials can corrode copper

Even the copper strip of some manufacturers has a certain oxidation resistance under natural conditions. But specific to the stone inlaid copper strip, not necessarily compound "natural conditions" this condition.

Because a lot of marble inlaid copper strip, the crystalline material used when maintaining, must contain acidic composition, such as oxalic acid, fluorosilicic acid and so on. Even the copper with antioxidant ability, under the continuous corrosion of acidic materials, under the joint action of air and water, the formation of bivalent copper ions. Copper compounds, on the other hand, are generally green and blue. Such as copper oxalate, in green. Basic copper carbonate, blue in color.

Below the corrosion of stone material crystallization, the compound of these copper with color that generate, can permeate the interior of stone material beside aperture naturally, appear as time passes hair green, black wait for a phenomenon. Copper compounds are also difficult to clean because they can't be broken down and carried out of the stone like normal organic pigment contamination.

In addition, long-term exposure to acidic substances, the copper strip itself will be corroded and lose luster.