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| OEM | OEM Services Provided |
| Feature | Good stability |
| Classification | Paint Additives |
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Polysulfone (PSU) is synthesized from Bisphenol A and 4.4′-Dichlorodiphenyl Sulfone. PSU offers excellent performance in chemical resistance, heat stability (heat deflection temperature of 170℃), and impact strength. With the above characteristics, PSU is a kind of high performance engineering thermoplastic resin.
| Category | Specifications |
|---|---|
| Polymer Type | High-performance thermoplastic |
| Chemical Structure | Aromatic sulfone polymer |
| CAS No. | 25135-51-7 |
| Appearance | Amber-transparent pellets |
| Density | 1.24 g/cm³ |
| Glass Transition Temp (Tg) | 185°C |
| Continuous Service Temp | -100°C to +180°C |
| Property | Performance Data |
|---|---|
| Tensile Strength | 70-75 MPa |
| Flexural Modulus | 2.6-2.8 GPa |
| HDT @1.82MPa | 175-180°C |
| Dielectric Strength | 15-17 kV/mm |
| Hydrolysis Resistance | Excellent (pH 2-13) |
| Grade | Characteristics |
|---|---|
| Standard PSU | Unfilled, medical/industrial |
| PSU + 30% Glass Fiber | Higher rigidity, HDT 205°C |
| PSU + Carbon Fiber | ESD/conductive applications |
| Medical Grade | USP Class VI, ISO 10993 compliant |
| Parameter | Conditions |
|---|---|
| Injection Molding | Barrel: 320-380°C, Mold: 120-160°C |
| Extrusion | 340-390°C |
| Drying | 4h @120-150°C |
| Melt Flow Rate | 5-25 g/10min (343°C/2.16kg) |
| Industry | Uses |
|---|---|
| Medical | Sterilizable devices, dialysis components |
| Aerospace | Cabin interiors, ducting |
| Food Processing | Steam-resistant parts |
| Electrical | Circuit boards, connectors |
| Water Treatment | Membrane housings |
| Aspect | Details |
|---|---|
| Flammability (UL94) | V-0 (0.8mm) |
| Regulatory | FDA 21 CFR 177.1655, EU 10/2011 |
| Autoclaving | 1000+ cycles @134°C |
| Chemical Resistance | Resists alcohols, acids, oils |
| Property | PSU | PEEK | PEI |
|---|---|---|---|
| Max Continuous Temp | 180°C | 250°C | 170°C |
| Cost | $$$ | $$$$$ | $$$$ |
| Processability | Excellent | Difficult | Good |
| Transparency | Semi-transparent | Opaque | Amber-opaque |
References:
Handbook of Thermoplastics (2nd Ed.) – Olagoke OlabisiASTM D638 – Tensile Properties of PlasticsDeclaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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