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| OEM | OEM Services Provided |
| Feature | Good stability |
| Classification | Paint Additives |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact Export Director now ↓ |
Polyphenylsulfone (PPSU) is synthesized from 4.4′-Biphenol and 4.4′-Dichlorodiphenyl Sulfone. PPSU offers excellent performance in impact strength, chemical resistance, heat stability (heat deflection temperature of 207℃). With the above characteristics, PPSU is a kind of high performance engineering thermoplastic resin.
Polyphenylsulfone (PPSU): Overview and Key Properties
| Category | Details |
|---|---|
| Chemical Class | High-performance sulfone polymer |
| CAS Number | 25608-64-4 |
| Appearance | Amber-transparent pellets |
| Key Feature | Exceptional thermal/chemical stability |
Physical & Mechanical Properties
| Property | Value |
|---|---|
| Glass Transition Temp. (Tg) | 220°C (428°F) |
| HDT @ 1.82MPa | 207°C (405°F) |
| Tensile Strength | 70-90 MPa |
| Flexural Modulus | 2.4-2.8 GPa |
| Density | 1.29 g/cm³ |
Performance Advantages
| Characteristic | Performance Level |
|---|---|
| Hydrolysis Resistance | Maintains properties in steam |
| Chemical Resistance | Withstands acids/bases/organic solvents |
| Flame Resistance | UL94 V-0 (0.8mm thickness) |
| Radiation Stability | Withstands >1000 kGy |
Processing Parameters
| Parameter | Conditions |
|---|---|
| Injection Molding | 340-380°C barrel temp |
| Drying | 4-6 hrs @ 150°C |
| Mold Temp. | 120-160°C |
Applications
| Industry | Use Cases |
|---|---|
| Medical | Sterilizable surgical tools |
| Aerospace | Cabin interior components |
| Food Service | Repeatedly sterilized equipment |
| Chemical | Pump components |
Comparison with Other Engineering Plastics
| Material | PPSU vs. Alternatives |
|---|---|
| PSU | Higher Tg (+40°C) |
| PEI | Better chemical resistance |
| PEEK | Lower cost, similar steam resistance |
Safety & Compliance
| Standard | Certification |
|---|---|
| FDA | 21 CFR 177.2440 |
| USP Class VI | Compliant |
| EU 10/2011 | Food contact approved |
Market Data
| Segment | Market Share |
|---|---|
| Medical | 45% |
| Aerospace | 30% |
| Industrial | 25% |
Key Benefits vs. Limitations
| Advantages | Limitations |
|---|---|
| Autoclavable 1000+ cycles | High material cost ($80-120/kg) |
| Inherent flame retardancy | Requires high processing temps |
| Excellent dimensional stability | Limited UV resistance |
Summary
Polyphenylsulfone sets the benchmark for repeated steam sterilization applications, combining unparalleled thermal stability with medical-grade compliance. While premium-priced, its performance justifies use in critical healthcare and aerospace components.
Declaration: 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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