Refined Fischer Tropsch wax for rubber additives
The most important role of Fischer-Tropsch wax in rubber.
Migration and Film Formation: Fischer-Tropsch wax has limited compatibility with rubber. During rubber compounding and vulcanization, it disperses uniformly within the compound. However, during storage and use after vulcanization is complete, the wax gradually migrates from the interior of the rubber to its surface.
Forming a protective layer: On the rubber surface, Fischer-Tropsch wax forms a dense, continuous, transparent physical protective film.
Blocking ozone: This wax film effectively prevents environmental ozone from contacting the rubber surface, thereby shielding the rubber molecular chains from ozone attack.
Why is this important?
Ozone is the primary cause of “ozone cracking” in rubber products, especially those subjected to dynamic or static stretching. Cracking significantly reduces the service life and safety of rubber products.
Products prone to ozone cracking: Tire sidewalls, door and window seals, cable jackets, rubber hoses, etc.
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