Structured Manufacturing Data (2026)

Industrial Grade Polyethylene Glycol

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Industrial Grade Polyethylene Glycol used in the Basic Chemical Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Industrial Grade Polyethylene Glycol is characterized by the integration of Polymer Chain and Terminal Hydroxyl Groups. In industrial production environments, manufacturers listed on CNFX commonly emphasize Ethylene oxide construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Polyether compound used as industrial chemical intermediate and processing aid

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Product Specifications

Technical details and manufacturing context for Industrial Grade Polyethylene Glycol

Definition
Industrial grade polyethylene glycol (PEG) is a polyether compound manufactured through polymerization of ethylene oxide. It serves as a versatile chemical intermediate in pharmaceutical synthesis, cosmetic formulations, and industrial lubricant production. The material functions as a humectant, solvent, and viscosity modifier across multiple manufacturing sectors. Its water-soluble properties and low toxicity make it suitable for diverse industrial applications requiring controlled chemical reactivity.
Working Principle
Polymer chains interact with other substances through hydrogen bonding and solvation, modifying physical properties of mixtures
Common Materials
Ethylene oxide, Catalyst (typically alkaline)
Technical Parameters
  • Measure of terminal hydroxyl groups affecting reactivity (mg KOH/g) Standard Spec
  • Average molecular weight determining viscosity and application (g/mol) Standard Spec
Components / BOM
  • Polymer Chain Part
    Primary molecular structure providing chemical properties
    Material: Polyethylene oxide repeating units
  • Terminal Hydroxyl Groups Part
    Reactive sites for chemical modification and crosslinking
    Material: Hydroxyl functional groups
  • Catalyst Residue Optional Part
    Remaining polymerization catalyst affecting purity
    Material: Alkaline metal compounds

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Industrial Grade Polyethylene Glycol.

PEG industrial grade Polyoxyethylene glycol Macrogol industrial high molecular weight polyethylene glycol industrial PEG chemical intermediate manufacturing polyethylene glycol processing aid chemical industrial PEG hydroxyl value specifications ethylene oxide derived polymer chemical

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 10 bar
flow rate: 0.1 to 100 m³/h
temperature: -40°C to 200°C
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Water-based systems ✓ Petrochemical processing ✓ Pharmaceutical synthesis
Unsuitable: Strong oxidizing acids (e.g., concentrated nitric acid)
Sizing Data Required
  • Required viscosity range (cP)
  • Desired molecular weight (g/mol)
  • Target application concentration (% w/w)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal degradation
Cause: Exposure to temperatures exceeding 150°C causes molecular chain scission, reducing viscosity and lubricity
Oxidative degradation
Cause: Contact with atmospheric oxygen at elevated temperatures forms acidic byproducts, leading to corrosion and viscosity breakdown
Maintenance Indicators
  • Visible darkening or discoloration from clear/light to amber/brown
  • Unusual foaming or aeration in storage tanks or application systems
Engineering Tips
  • Implement nitrogen blanketing in storage vessels to prevent oxidative degradation
  • Maintain temperature control below 100°C during storage and handling, with continuous monitoring systems

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM D4875 - Standard Guide for Polyethylene Glycol CE Marking - EU Regulation for Chemical Products
Manufacturing Precision
  • Molecular Weight: +/- 5% of specified value
  • Hydroxyl Value: +/- 2 mg KOH/g
Quality Inspection
  • Viscosity Test - ASTM D445
  • Hydroxyl Number Test - ASTM E222

Factories Producing Industrial Grade Polyethylene Glycol

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Frequently Asked Questions

What are the primary industrial applications of polyethylene glycol?

Polyethylene glycol serves as a versatile chemical intermediate in basic chemical manufacturing, functioning as a processing aid, lubricant, binder, and carrier in various industrial formulations and reactions.

How does molecular weight affect polyethylene glycol performance?

Average molecular weight determines key properties like viscosity, melting point, and solubility. Higher molecular weight PEGs offer increased viscosity and thermal stability, while lower weights provide better solubility and fluidity.

What quality specifications are critical for industrial polyethylene glycol?

Critical specifications include hydroxyl value (indicating reactivity), viscosity at operating temperatures, water content (affecting stability), pH value, and melting point range for proper handling and processing consistency.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Basic Chemical Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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