PPSU vs PVDF — Hydrolysis Toughness vs Chemical Purity
Comparison Overview
PPSU vs PVDF — Hydrolysis Toughness vs Chemical Purity. Choose PPSU for repeated steam sterilization, exce…
PPSU — Polyphenylsulfone
Properties
| Property | Value |
|---|---|
| Service Temp. | 180°C |
| Density | 1.29 g/cm³ |
| Tensile Strength | 70 MPa |
| Flexural Modulus | 2,400 MPa |
| Hardness | Rockwell M85 |
| Flammability | V-0 |
Advantages
- Best-in-class hydrolysis resistance
- Outstanding impact toughness
- Excellent thermal stability at 180°C
- Good transparency
- Withstands repeated steam sterilization
Applications
Medical DevicesFood ServiceAerospaceWater TreatmentInfant Care
Price Level
Medium
PVDF — Polyvinylidene Fluoride
Properties
| Property | Value |
|---|---|
| Service Temp. | 150°C |
| Density | 1.78 g/cm³ |
| Tensile Strength | 55 MPa |
| Flexural Modulus | 2,100 MPa |
| Hardness | Shore D80 |
| Flammability | V-0 |
Advantages
- Outstanding chemical resistance
- High purity — minimal extractables
- Excellent UV stability and weather resistance
- Unique piezoelectric properties
- Good flame retardance (V-0)
Applications
Chemical ProcessingSemiconductorWater FiltrationBatteryWire & Cable
Price Level
Med-High
Selection Guidance
✓ Choose PPSU
Choose PPSU for repeated steam sterilization, excellent impact toughness, transparency, or medical/food industry applications.
✓ Choose PVDF
Choose PVDF for strong acid/alkali corrosion, high-purity material requirements, or chemical/semiconductor/water treatment applications.
Price Reference
PPSU: Medium
PVDF: Med-High
PPSU and PVDF are similarly priced.
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