Antioxidant 4020, also known as antioxidants DMPPD, molecular formula is C18H24N2, a molecular weight of 268.3966. The product is solid gray and black, is an excellent natural rubber and synthetic rubber antiozonants and antioxidants, ozone and flex fatigue cracking protective efficacy. Application: Natural rubber and synthetic rubber antiozonants and antioxidants, ozone cracking and flex fatigue excellent protection performance
