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Rubber aging is a complex process involving chemical and physical changes that degrade the material's properties. Factors like exposure to oxygen, ozone, heat, and UV radiation can lead to embrittlement, cracking, and loss of mechanical strength. Rubber Antioxidant 6PPD, a type of phenylenediamine rubber antioxidant, is specifically designed to combat these detrimental effects. Its chemical structure allows it to act as a sacrificial agent, intercepting reactive species that would otherwise attack the rubber polymer.
One of the most significant contributions of 6PPD is its powerful antiozonant activity. Ozone attacks the double bonds in rubber molecules, causing chain scission and leading to visible cracking. 6PPD forms a protective barrier on the rubber surface, effectively absorbing ozone and preventing it from damaging the underlying material. This is especially important for products like tires, where sidewalls are constantly exposed to the atmosphere and can develop ozone cracks that compromise safety.
In addition to ozone protection, 6PPD is an excellent antioxidant, offering robust resistance to thermal degradation. High temperatures encountered in certain industrial applications or during the operational life of components can accelerate oxidative processes. By using 6PPD, manufacturers can significantly improve the heat aging resistance of their rubber products, ensuring they maintain their flexibility and strength under thermal stress. This makes it ideal for use in automotive components, industrial seals, and other applications where heat is a factor.
The effectiveness of 6PPD extends to its ability to protect against flex cracking, which occurs in rubber parts subjected to repeated bending or flexing. This property is vital for components like conveyor belts or engine mounts. By delaying the onset of fatigue failure, 6PPD helps extend the service life of these critical parts. Manufacturers often source this additive from reliable suppliers in China to ensure consistent quality and availability.
In essence, Rubber Antioxidant 6PPD (CAS 793-24-8) is instrumental in improving rubber aging resistance across various applications. By providing superior protection against ozone, heat, and flex cracking, it ensures that rubber products maintain their integrity and performance, ultimately leading to greater product reliability and reduced maintenance costs for end-users.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
