Manufacturer of Hydrolyzed Poly(maleic anhydride) (HPMA)

 Shandong Kairui Chemical Co., Ltd. is a specialized manufacturer of hydrolyzed poly maleic anhydride (HPMA).


Established in 2015 with a registered capital of RMB 128 million, Kairui Chemical is located in the Xuecheng Chemical Industrial Park, Zaozhuang City, Shandong Province, occupying approximately 100 mu (6.7 hectares). The company is a comprehensive, environmentally friendly enterprise specializing in the R&D, production, and sales of high-end specialty chemicals. With 20 years of industry experience, it focuses on the development and manufacturing of water treatment chemicals and additives.


Kairui Chemical's HPMA is non-toxic, highly soluble in water, and exhibits excellent chemical and thermal stability with a decomposition temperature exceeding 330°C. Typically featuring a relative molecular weight of 400-800, it appears as a light yellow to reddish-brown transparent liquid. It exhibits outstanding scale inhibition properties and provides moderate corrosion inhibition, with enhanced performance when blended with zinc salts.


Due to its superior characteristics, HPMA finds extensive applications in flash distillation units for seawater desalination, low-pressure boilers, and industrial circulating cooling water systems. It is also utilized in cement admixtures and saline-alkali soil conditioners.

Contact Us

   TEL:+86-632-3671188

E-mail:export@krchemical.com

   ADD:No.1, Fuqian South Road, Xuecheng Chemical Industrial Park, Xuecheng District, Zaozhuang City, Shandong Province, China

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