Catalyst residue is the solid byproduct remaining after polymerization in HDPE resin production, containing spent catalyst particles and impurities.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Density | 2.0-4.0 g/cm³ | |
| Melting Point | Not applicable (solid particulate) | |
| Particle Size | Typically 1-50 microns | |
| Chemical Composition | Variable based on catalyst system | |
| Concentration In HDPE | 10-500 ppm (parts per million) |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
High-Density Polyethylene (HDPE) resin is a versatile thermoplastic material manufactured through catalytic polymerization of ethylene under low pressure.
Industrial grade polyethylene glycol (PEG) is a polyether compound produced by the polymerization of ethylene oxide.
Synthetic or semi-synthetic organic compounds that can be molded or extruded into objects, films, or fibers.
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Catalyst residue can cause equipment abrasion, reduce product clarity, affect mechanical properties, and potentially catalyze unwanted secondary reactions during processing or product use.
Common removal methods include filtration systems, centrifugation, catalyst deactivation treatments, and post-polymerization purification processes. Some processes incorporate catalyst systems designed to minimize residue formation.
ISO 3451 and ASTM D1603 provide methods for determining ash content (which includes catalyst residue) in plastics. Specific catalyst residue analysis may require specialized techniques like X-ray fluorescence or atomic absorption spectroscopy.
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