试验表明：活性硫改善了齿轮油的极压性，对抑制铜腐蚀性、防锈性能和抗氧化性能均有不利的影响。

It is concluded that active sulfur compounds may improve the oil's EP property but harm inhibition of copper corrosion, antirust property and anti-oxidation stability.

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腐蚀性对于铜会产生腐蚀性。

Corrosivity Corrosive in presence of copper.

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可清洗钢铁、铜、铝及陶瓷材料，对金属腐蚀性小、安全系数高。

It can clean steel, copper, aluminum and ceramic material with high safety coefficient and little corrosion to metal.

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