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Contact SupplierOBSH (4,4'-Oxybis(benzenesulfonyl)hydrazide) is a high-performance chemical blowing agent widely used in the rubber and plastics industries to produce foamed materials. Upon thermal decomposition at temperatures around 140–150°C, OBSH releases nitrogen gas, creating a uniform cellular structure in the polymer matrix. Its low decomposition temperature allows for processing without the need for activators, making it a cost-effective and efficient solution for various applications.