Any of the salts of permanganic acid,all of which are strong oxidizing agents.

某种元素同氧气化合就叫做氧化。

Generally resistant to animal and vegetable fats, oils, greases, ozone, heat, and strong oxidizing chemicals. Chlorobutyl has lowest permeability of all the synthetic rubbers.

通常适用于动物脂肪或植物油、油、油脂、臭氧、热，以及强氧化剂。氯丁基橡胶在所有合成橡胶中的渗透性是最低的。