High Purity Polyethyleneimine (PEI) 99%: Your Trusted Supplier and Manufacturer
Discover the exceptional properties and diverse applications of our high-purity Polyethyleneimine (PEI), CAS 9002-98-6. As a leading manufacturer and supplier in China, we offer reliable sourcing for your industrial needs.
Get a Quote & SampleUnlocking Industrial Potential with High-Purity Polyethyleneimine

High Purity Polyethyleneimine (PEI)
NINGBO INNO PHARMCHEM CO.,LTD. is your premier manufacturer and supplier for high-purity Polyethyleneimine (PEI), CAS 9002-98-6. Our >99% pure PEI, presented as a pale yellow liquid, offers superior performance across a wide range of industrial applications, making us a key supplier in China. We understand the critical role this chemical intermediate plays in your formulations.
- Reliable Polyethyleneimine 99% Supplier in China: Secure a consistent supply of high-quality PEI for your manufacturing processes.
- Competitive Polyethyleneimine Price: Get cost-effective solutions from our factory direct supply.
- Versatile Chemical Intermediate Applications: Utilize PEI in paper making, adhesives, coatings, and more.
- Commitment to Quality and Purity: We ensure our Polyethyleneimine meets stringent purity standards for optimal performance.
Key Advantages of Our Polyethyleneimine
Exceptional Adhesion and Reactivity
Our high-purity PEI exhibits remarkable adhesion to various substrates and possesses highly reactive primary, secondary, and tertiary amine groups, enabling versatile chemical modifications and cross-linking for enhanced product performance.
Broad Spectrum of Industrial Applications
As a leading manufacturer, we supply Polyethyleneimine for diverse uses, including as anchor coating agents, heavy metal chelating agents, metal plating additives, adhesives, and in water treatment, making it an indispensable chemical intermediate.
High Cationic Charge Density
The inherent high cationic nature of our PEI makes it highly effective for neutralizing and adsorbing anionic materials, crucial for applications like paper manufacturing, water purification, and as dispersants, ensuring efficient process outcomes.
Key Applications for Polyethyleneimine
Paper Making & Processing
Enhance paper strength and retention with our Polyethyleneimine, a key supplier in the paper chemicals market. Buy PEI for improved sizing and water resistance.
Adhesives and Coatings
Improve adhesion and performance in inks, paints, and adhesives by incorporating our high-purity Polyethyleneimine. We are a trusted manufacturer for these formulations.
Textile Industry
Our PEI acts as an effective fixing agent and functional additive for textiles, enhancing dye fastness and providing odor-elimination properties. Source your PEI needs from our reliable supply chain.
Water Treatment & Environmental Solutions
Utilize Polyethyleneimine as a coagulant, chelating agent, or gas scavenger in water purification and waste gas treatment. Purchase PEI from NINGBO INNO PHARMCHEM CO.,LTD. for efficient environmental solutions.