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Formula: PPSu
Form: Rod
Material: Polyphenylsulfone (PPSU, PPSF)
Commodity: Polymers
PPSU Rod delivers high impact resistance, thermal endurance, and hydrolytic stability in a solid cylindrical form ideal for machining into precision components. Unlike PPS, polyphenylsulfone (PPSU) provides superior toughness and sterilization resistance, making it particularly suitable for medical, aerospace, and food processing industries. Applications include medical device housings, aircraft interior components, and high-strength structural rods in chemical processing. Specific technologies benefiting include reusable surgical instruments, sterilizable connectors, and flame-retardant structural parts. Research uses include studies of long-term creep resistance, hydrothermal stability, and additive-manufactured PPSU composites. The rod form ensures machinability and uniformity for prototype development and industrial scaling. Its combination of durability, processability, and resistance to repeated sterilization cycles makes PPSU rods critical materials in high-performance engineering and biomedical research.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Polymers
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1kHz | 3.45 |
| Dissipation factor @ 1kHz | 0.0009 |
| Dissipation factor @ 1MHz | 0.005 |
| Dielectric strength( kV mm⁻¹ ) | 14.1 |
| Surface resistivity( Ohm/sq ) | >10¹³ |
| Volume resistivity( Ohmcm ) | >10¹⁴ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V-0 |
| Limiting oxygen index( % ) | 44 |
| Water absorption( % ) | 1.2 |
| Water absorption - equilibrium( % ) | 0.6 |
| Water absorption - over 24 hours( % ) | 0.35 |
| Density( gcm⁻³ ) | 1.29 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | M80/R122 |
| Elongation at break( % ) | 30 |
| Compressive modulus( GPa ) | 1.7 |
| Tensile modulus( GPa ) | 2.5 |
| Izod impact strength( J m⁻¹ ) | 700 |
| Tensile strength( MPa ) | 76 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 210 |
| Heat-deflection temperature - 1.8MPa( C ) | 200 |
| Upper working temperature( C ) | 180-210 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.35 |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 55 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | 99 |
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