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.
在T551和T561的基础上，研制出新的高效金属减活剂(铜腐蚀抑制剂)，解决了高硫极压剂的不足，使铜腐蚀达到1级。
On the basis of T551 and T561, a new metal deactivator with high efficiency (copper corrosion inhibitor) have been preparated by Weihua co.
良好的极压、抗磨损性能，减少刀具磨损，延长刀具寿命。
Good extreme pressure, abrasion resistance, reduce the tool wear, extending the service life of cutter.
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