Polyethylene Oxide MW 5,000,000 (PEO 5M, CAS 25322-68-3) is linear ultra-high molecular weight water-soluble polyether polymer. As organic binder for activated carbon and carbon black, hydrated polymer chains tightly connect carbon powder particles to enhance green body strength after granulation. It possesses excellent thermal decomposition property with minimal ash residue after high-temperature treatment, avoiding impurity contamination of carbon materials. It is an ideal granulation binder f

Product Detail

Product Overview

Polyethylene Oxide MW 5,000,000 (CAS 25322-68-3) is ultra-high molecular weight PEO developed for carbon powder granulation industry. Low molecular PEO cannot deliver sufficient bonding force; ultra-high molecular weight PEO leads to excessive slurry viscosity and poor processing performance. This 5M grade balances bonding capacity, slurry fluidity and thermal cleanness.

After dissolving in water and mixing with carbon powder, PEO forms continuous adhesive network to maintain particle shape during extrusion or rolling granulation. The polymer fully decomposes under high temperature, leaving almost no inorganic residues, protecting the intrinsic performance of activated carbon and carbon black.

Key Features

Molecular Weight: 5,000,000, CAS 25322-68-3, white free-flowing fine powder
Powerful bonding effect for activated carbon, carbon black and fine carbon powder
Improve green particle strength, effectively reduce dust and particle breakage
Complete thermal decomposition at medium-high temperature, ultra-low ash residue
Excellent water solubility, convenient for aqueous wet granulation process
No adverse influence on carbon material adsorption and conductive performance
Good compatibility with other water-soluble auxiliary additives

Main Applications

Water-soluble binder for activated carbon extrusion granulation
Granulation adhesive for conductive carbon black, carbon nanopowder
Binder for carbon filter medium, water purification carbon pellets
Forming auxiliary for carbon electrode and energy storage carbon composite materials

Usage Guidance

Disperse PEO powder into stirred purified water to prepare homogeneous binder solution, then mix evenly with activated carbon/carbon black powder for kneading and granulation. Typical addition amount: 0.3% ~ 2.0% based on carbon powder weight. Adjust dosage according to target particle strength. Carry out granulation test and high-temperature calcination residue test before mass production.

Storage & Package

Seal packages tightly. Store in cool, dry and ventilated warehouse, avoid moisture absorption, high temperature and direct sunlight. Standard package: 25kg kraft paper bag with inner PE liner. Shelf life: 12 months under proper sealed storage.

Service Support

Test samples available for granulation evaluation. Stable bulk supply. We provide technical support for carbon material forming formulation. Welcome to inquire TDS, COA and factory quotation.

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PEO MW 5 Million CAS 25322-68-3 Binder for Activated Carbon and Carbon Black

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.