High-Quality Polyethyleneimine (PEI) Supplier in China: Enhancing Paper Manufacturing and Water Treatment
Discover the exceptional properties of Polyethyleneimine (PEI), a versatile polymer essential for advanced industrial applications. As a premier supplier in China, we provide high-purity PEI that boosts performance in papermaking, water treatment, and beyond. Explore its potential to optimize your processes and product quality. Get a competitive quote from a trusted manufacturer.
Get a Quote & SampleUnlock Superior Performance with Our Polyethyleneimine

Polyethyleneimine (PEI) - CAS 9002-98-6
We are a leading manufacturer and supplier of Polyethyleneimine (PEI) in China, offering a high-purity, water-soluble polymer with exceptional cationicity and reactivity. Our PEI is expertly formulated to enhance adhesion, dispersion, and retention in various industrial processes. Partner with us, a reliable supplier, to source high-quality PEI for your manufacturing needs and benefit from our competitive pricing.
- Optimize Papermaking Processes: Improve pulp dewatering and paper dry strength with our PEI, a key retention and beating agent.
- Advanced Water Treatment: Utilize PEI for effective heavy metal chelation and as a superior flocculant in wastewater management.
- Enhance Adhesion and Coatings: Our PEI acts as an excellent adhesion promoter for inks, paints, and laminates, ensuring durable and high-quality finishes.
- Reliable Industrial Chemical Supplier: Choose us as your trusted manufacturer and supplier for consistent quality and timely delivery of essential industrial chemicals.
Key Advantages of Our Polyethyleneimine
Exceptional Adhesion and Absorption
Leverage the strong bonding capabilities of our Polyethyleneimine, derived from its unique branched structure and abundant amine groups, to improve the adhesion of inks, coatings, and laminates, ensuring product durability and quality for your clients.
High Cationicity for Diverse Applications
Our PEI's high positive charge density makes it an ideal choice for neutralizing anionic materials in papermaking and water treatment. This property is crucial for flocculation, heavy metal chelation, and improving the efficiency of your industrial processes when you buy from a specialized supplier.
Versatile Reactivity for Customization
With reactive primary and secondary amine groups, our Polyethyleneimine readily participates in chemical reactions, enabling its use in various modifications and formulations. This versatility makes it a sought-after intermediate for custom chemical solutions from our manufacturing facility.
Broad Application Spectrum of PEI
Papermaking Industry
Enhance paper strength and production efficiency by using our PEI as a wet strength agent, retention aid, and beating agent. We are your go-to supplier for high-performance papermaking chemicals.
Water Treatment
Effectively manage water quality with our PEI, utilized for its chelating properties to remove heavy metals and as a potent flocculant in industrial and municipal water treatment processes. Inquire about bulk purchase options.
Adhesives and Coatings
Improve the performance of adhesives, inks, and coatings by using our PEI as an adhesion promoter. Its ability to bond with various substrates ensures long-lasting and robust applications. Contact us for a product quote.
Electronics Manufacturing
As a specialized chemical supplier, we offer PEI for its use as a low-work function modifier in organic electronics, enhancing the performance of devices like solar cells and OLEDs. Explore purchasing options for electronic-grade chemicals.