... Field for over 10 years applicable for all types of synthetic rubber and natural rubber Rubber Antioxidant Agent 6PPD(4020) ... in water.Application: As a kind of ursol rubber antioxidant, 6PPD has better compatibility with rubbers, seldom blooming, low ... volatility, low toxicity, with excellent antioxidant, anti-ozone, anti-flex cracks , anti-insolation cracks, strong ...