Neutral medium, it should be chosen for the copper alloy shell material valve solenoid valve, or valve shells falling debris often rust, especially the movements do not frequent occasions.

中性介质，也宜选用铜合金为阀壳材料的电磁阀，否则，阀壳中常有锈屑脱落，尤其是动作不频繁的场合。

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The result shows the inhibitor is a super rust inhibitor for steel, copper and aluminum.

结果表明产品对钢、铜、铝等金属有良好的防锈作用。

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Function: defecate sands, rust. copper, besmirch cutting off peculiar smell, high quality water zone.

功能：滤除沙石、铁锈、铜锈、磷污染等；去除异味。适合用于水质较好的地区。

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Over millions of years this created an oxygen-rich atmosphere that rapidly removed electrons from minerals near the surface, creating rust out of iron and forming thousands of new minerals from other metals like nickel, copper and uranium.

ECONOMIST: Minerals