Used as a rubber antioxidant, ozone, wind and mechanical stress-induced fatigue Flexing excellent protection performance of the oxygen, heat, high-energy radiation has a significant protective effect.
用作橡胶的防老剂，对臭氧、风蚀和机械应力引起的曲挠疲劳有卓越的防护效能，对氧、热、高能辐射等也有显著的防护作用。
The necessary of antioxidant added to spinning rubber ring was related. After tests, antioxidant 998-a was proved to have good effects.
阐述了纺纱胶圈使用防老剂的必要性，并通过试验对比，证明选用防老剂998 - A的胶圈，使用效果较好。
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