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Polypropylene Glycol

Polypropylene Glycol 4000

Hotline:189-9418-6000

Product Introduction

Polypropylene Glycol PPG4000 Technical Specifications


1. TECHNICAL PARAMETERS

ParameterSpecification
CAS No.[25322-69-4]
Appearance (25°C)Colorless transparent viscous liquid
Color (Pt-Co)≤20
Hydroxyl Value26-30 mgKOH/g
Molecular Weight3700-4300
Acid Value≤0.5 mgKOH/g
Moisture Content≤0.5%
pH (1% solution)5.0-7.0

2. PERFORMANCE & APPLICATIONS

Key Properties:

  • Excellent lubrication, antifoaming, and thermal stability

  • High molecular weight with balanced viscosity

  • Chemical resistance and low volatility

Primary Applications:

  1. Polyurethane Production:

    • Essential component in polyether polyols for polyurethane foam manufacturing

    • Used in flexible and rigid foam formulations

  2. Industrial Additives:

    • Direct use or after esterification to produce plasticizers and lubricants

    • Base material for high-performance industrial lubricants and release agents

  3. Specialty Formulations:

    • Raw material for cosmetics, pharmaceuticals, and specialty oils

    • Functional additive in high-temperature applications


3. PACKAGING & STORAGE

  • Packaging:

    • 200 kg steel drums

    • 50 kg plastic drums

  • Storage:

    • Store in dry, ventilated area

    • Non-flammable (handle as general chemical)

  • Shelf Life: 2 years


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