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The crucial role of Caustic Soda in rubber vulcanization - Why choose Polykem?

2026-01-15 0 Leave me a message


Caustic soda (sodium hydroxide) is a crucial chemical additive in the rubber industry, used to control the vulcanization rate, improve final performance, and ensure processing safety. Polykem's Caustic Soda products have consistently gained the trust of global rubber and chemical industry customers due to their stable quality, competitive pricing, and professional export services.


Caustic soda (sodium hydroxide) is a fundamental and core raw material in the chemical industry. Due to its extremely strong alkalinity and chemical reactivity, it has become an indispensable key additive in multiple industries. It is a white flaky or granular solid at room temperature, soluble in water and releasing heat. The aqueous solution is strongly alkaline. It has excellent neutralizing, saponification and catalytic properties, strong chemical stability, and can react with various inorganic and organic compounds. At the same time, it has good hygroscopicity and deliquescence, making it convenient for storage and processing.


Its application scenarios are extensive, especially in the rubber industry, where Caustic Soda serves as a rubber vulcanization additive. It can regulate the pH value of the vulcanization system, activate the activity of accelerators, accelerate the cross-linking reaction of rubber molecules, and improve the vulcanization efficiency. It is widely applicable to the vulcanization production of natural rubber and synthetic rubber. Moreover, it is also used in paper bleaching, textile printing and dyeing, petroleum refining, water treatment, food processing and other fields.


The caustic soda supplied by Polykem has passed the ISO9001 quality management system certification. Its purity is ≥99%, meeting the strict production requirements of various industries. Our export services are professional and efficient, with competitive prices. The sales team responds to inquiries within 24 hours.

Welcome to visit the Polykem caustic soda product page to view detailed technical parameters and learn about purchasing solutions.



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