Polyethylene Wax (PE Wax) is a low molecular weight polymer obtained through the polymerization or thermal cracking of high molecular weight polyethylene. It is a solid, white, odorless substance with a relatively high melting point. Due to its unique physical and chemical properties, it is widely used across various industries.
Technical Specifications
| Property |
Typical Value |
| Appearance |
White powder or granules |
| Melting Point |
100 – 140°C |
| Density |
0.90 – 0.98 g/cm³ |
| Viscosity |
10 – 1000 cPs at 140°C |
| Molecular Weight |
1,000 – 10,000 g/mol |
Production Methods
- Direct Polymerization: Controlled polymerization of ethylene gas to produce polyethylene wax.
- Thermal Cracking: Decomposition of high-density polyethylene (HDPE) under controlled temperature and pressure to produce low molecular weight wax.
- Recycling Processes: Extraction of polyethylene wax from industrial waste or petrochemical by-products.
Key Properties
- High thermal resistance
- Excellent compatibility with various resins and polymers
- Superior lubrication characteristics
- Strong chemical resistance and oxidative stability
- Good dispersion capability in polymer systems
Industrial Applications
- Plastics and Masterbatch Industries:
- Acts as an internal and external lubricant in extrusion and injection molding.
- Enhances pigment and additive dispersion in masterbatches.
- Coatings and Paints:
- Improves scratch resistance and slip performance in coatings.
- Enhances gloss and surface smoothness.
- Printing Inks:
- Enhances anti-scratch properties in printing inks.
- Controls viscosity in ink formulations.
- Rubber and Compound Industry:
- Improves processability and reduces material stickiness.
- Paper and Packaging Industry:
- Adds water repellency and slip to specialty papers and packaging materials.
- Candle and Paraffin Manufacturing:
- Improves flame quality, hardness, and melting point of candles.
Commercial Advantages
- Reduces production costs by optimizing processes
- Improves final product quality
- Easy to use and compatible with a wide range of materials
- Available in multiple physical forms (powder, granules, emulsions)
Polyethylene wax is a critical additive used in numerous industries, enhancing processing efficiency and product quality. Selecting the appropriate type of PE Wax based on its physical and chemical characteristics can lead to optimized production lines and economic benefits.
