Rubber antioxidant hi chemical structure a zirin then a ni a, a hnuaia category pangaah hian then theih a ni.
1. Amine anti-aging agent (sub-category 6-a dah: Aldehyde amine anti-amin anti-aging agent, diaryl secondary amine, p-phenylenedimamine, diphenylamine, alkyl aryl amine
2. phenolic anti-aging agents (monphenols, bisphenols, polyphenols-a then)
3. heterocyclic anti-aging agent .
4. phosphite anti-aging agent .
5. anti-aging agent dang (long-acting anti-aging agents, nickel salt, wax, thioureas, anti-aging agents siam thar)