south korea good price rubber antioxidant 6ppd for tyre
south korea good price rubber antioxidant 6ppd for tyre
south korea good price rubber antioxidant 6ppd for tyre
south korea good price rubber antioxidant 6ppd for tyre
south korea good price rubber antioxidant 6ppd for tyre
  • Are there any new motor vehicle tires that don't contain 6PPD?
  • USTMA is not aware of any new motor vehicle tires available today that do not contain 6PPD. 6PPD-quinone, or 6PPDQ, is a recently discovered transformation product of 6PPD that may form when 6PPD reacts with oxygen or ozone under certain conditions. 6PPDQ is not used in U.S. tire manufacturing.
  • Why is acetone better than 6PPD?
  • Acetone’s lower boiling point (56 °C) compared with 6PPD (260 °C) makes solvent recovery much less energy intensive. Although acetone can readily dissolve many classes of molecules 25, it does not degrade the cross-linked rubber phase. This is crucial for producing a 6PPD-free crumb rubber product that is safe for various applications.
  • Is there an alternative to 6PPD?
  • The tire industry has created a 32-member consortium to transparently and collaboratively work with regulators, partners and interested stakeholders to identify a potential alternative to 6PPD that is protective of motorist safety and the environment.
  • Which GC GC is used to identify 6PPD and fatty acid products?
  • An Agilent 8890 GC connected to a 5977B GC MSD with a DB-5 column was used to identify and quantify 6PPD and fatty acid products. The COSMO-RS method was used to perform solid–liquid solubility calculations. The Amsterdam Modeling Suite COSMO-RS was used.