A new liquid anti-oxidant T502A is presented in this paper．Application and test proved that anti-oixdant T502A has the desirability of easy to dissolve and mix in gasoline，convenient to use，obvious effect，less guantity to append and no influence upon other capability of gasoline．Anti-oxidant T502A is a excellent kind and its using capability is better than general anti-oxidant T501．%文中介绍了一种新的液态汽油抗氧剂T502A,通过使用、试验证明该种抗氧剂具有与汽油溶解混合效果好、使用方便、增标明显、用量少及不影响汽油其它性能指标等优点,是一种性能良好的汽油抗氧剂,其使用性能优于传统抗氧剂T501。
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