Industrial Polysulfone (PSU) Residue

Description

1. Product Overview
   Industrial Polysulfone (PSU) Residue is a high-value polymer by-product derived from controlled industrial PSU manufacturing and processing streams. It is primarily utilized as a secondary feedstock in polymer recovery, compounding, and advanced material reprocessing applications. The key value proposition lies in its cost-efficient raw material contribution for downstream plastic modification and material recovery systems. In today’s circular materials economy, PSU residue plays a strategically important role in reducing production waste while supporting sustainable industrial input sourcing.
2. Key Specifications & Technical Characteristics

• Chemical composition: Polysulfone (PSU) polymer residues with trace stabilizers and processing additives
• Purity level / grade: Industrial-grade mixed polymer residue (non-virgin, reprocessable)
• Physical form: Granular / irregular flakes / shredded polymer fragments
• Color: Amber to light brown (variable depending on batch source)
• Density: Approx. 1.24–1.30 g/cm³ (typical PSU range, variable in residue form)
• Particle size: 2–10 mm irregular fragments (may vary by processing method)
• Packaging options: 25 kg bags, 500–1000 kg jumbo bags, bulk container lining
• Shelf life: 12–24 months under dry, temperature-controlled storage conditions

3. Core Industrial Applications
   Industrial PSU Residue is widely used in polymer recycling, compounding, and thermoplastic modification industries. It serves as a cost-effective input for manufacturers producing engineering plastics, filtration components, automotive interior parts, and electrical insulation materials. Its high thermal stability and chemical resistance allow it to perform effectively in reprocessing systems where conventional polymers degrade. Compared to virgin PSU, it offers significant cost advantages while enabling sustainable material recovery and reduced raw material dependency.
4. Competitive Advantages

• Consistent batch supply from controlled industrial streams
• Cost-efficient alternative to virgin polysulfone feedstock
• Strong suitability for circular economy and recycling-driven manufacturing models
• Reliable bulk logistics and export-ready packaging solutions
• Reduced environmental footprint through material reuse and waste minimization
• Availability of technical documentation and batch traceability upon request
• Stable sourcing channels ensuring long-term supply continuity

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–25 MT per 20-foot container