Ruqinba is a leading producer of Dodecenyl Succinic Anhydride (DDSA), also known as Tetradecyl Succinic Anhydride (TPSA). DDSA stands out among liquid anhydride hardeners by enhancing the flexibility of epoxy compounds. The cured formulation of DDSA provides superior mechanical strength and electrical properties compared to those cured with conventional di-amines or polyamide systems. Its unique performance makes DDSA an ideal choice for a variety of industries.

Ruqinba offers DDSA solutions for a wide range of applications, including the offshore buoy market, electronics, lubricants, and the marine industry. Additionally, we provide tailored blends of various hardeners to meet specific requirements, offering customized solutions for diverse industrial needs.

With a focus on continuous innovation and stringent quality control, Ruqinba is committed to delivering high-performance curing solutions, driving improvements in material performance across various industries.

A Class A chemical production workshop built specifically for the production of DDSA products.

Its production capacity is at the leading level in China.

Production capacity and delivery time have always been our strengths, and have been consistently recognized by customers from over 30 countries worldwide.