Custom Polysulfone (PSU) Parts Manufacturing
PartsMFGX delivers precision-engineered PSU components with exceptional thermal stability, chemical resistance, and biocompatibility for demanding applications across medical, aerospace, and industrial sectors.
Polysulfone (PSU) Material Properties
PSU offers exceptional thermal stability, chemical resistance, and mechanical strength for high-performance applications
High Temperature
Continuous use up to 150°C (302°F)
Chemical Resistance
Excellent resistance to acids, alkalis, and solvents
Mechanical Strength
High tensile strength and rigidity
Hydrolytic Stability
Resistant to hot water and steam
Key Material Specifications
Density
1.24 g/cm³
Tensile Strength
70 MPa
Flexural Modulus
2,480 MPa
Glass Transition
185°C
Water Absorption
0.22%
Dielectric Strength
17 kV/mm
Advanced Manufacturing Capabilities
State-of-the-art equipment and processes for precision PSU component manufacturing
CNC Machining
Precision 3-axis, 4-axis, and 5-axis CNC machining for complex geometries with tight tolerances up to ±0.001″
- • Milling, turning, drilling operations
- • Surface roughness Ra 0.4-3.2 μm
- • Complex 3D geometries
- • Prototype to production volumes
Injection Molding
High-precision injection molding for medium to high volume PSU parts with excellent repeatability
- • Mold design and manufacturing
- • Multi-cavity tooling
- • Insert molding capabilities
- • Production volumes 1K-1M+ parts
Quality Control
Comprehensive inspection and testing to ensure compliance with medical and aerospace standards
- • CMM dimensional inspection
- • Material traceability
- • ISO 9001:2015 certified
- • Statistical process control
12+
Years Experience
±0.001″
Machining Tolerance
24/7
Production Schedule
100%
Quality Inspection
PSU Grades & Specifications
Comprehensive selection of polysulfone grades for diverse application requirements
| Grade | Properties | Key Features | Applications | Cost Level |
|---|---|---|---|---|
| Udel P-1700 | Standard Grade Tensile: 70 MPa HDT: 174°C |
• High chemical resistance • Excellent clarity • Steam sterilizable |
Medical devices Food processing Laboratory equipment |
$$ |
| Udel P-3500 | High MW Grade Tensile: 75 MPa HDT: 174°C |
• Superior toughness • Enhanced chemical resistance • Better stress crack resistance |
Aerospace components Automotive parts Industrial applications |
$$$ |
| Udel P-3703 | Natural Grade Tensile: 70 MPa HDT: 174°C |
• Excellent transparency • UV stable • Low stress optical properties |
Optical components Lenses and prisms Light guides |
$$$ |
| Custom Grades | Modified Properties Variable specs Application specific |
• Flame retardant • Glass filled • Conductive grades |
Special applications Custom requirements Unique specifications |
$$$$ |
Applications & Industries
PSU components serve critical functions across demanding industries
Medical & Healthcare
Surgical Instruments
Sterilizable handles, housings, and precision components for surgical tools
Dialysis Equipment
Filter housings, connectors, and fluid handling components
Dental Instruments
Autoclavable dental tool components and orthodontic devices
Laboratory Equipment
Test tubes, beakers, and analytical instrument components
Industrial & Aerospace
Aircraft Interiors
Cabin components, service panels, and interior trim parts
Food Processing
Hot water resistant components, steam cleaning equipment parts
Automotive
Under-hood components, electrical housings, and sensor enclosures
Electronics
High-temperature connectors, circuit board supports, and housings
FDA Compliant
Medical grade materials and manufacturing processes
Steam Sterilizable
Withstands repeated autoclave cycles
High Temperature
Continuous operation up to 150°C
Sterilization & Chemical Resistance
Superior resistance to sterilization methods and harsh chemical environments
Sterilization Methods
Steam Sterilization
Withstands 250+ autoclave cycles at 121°C, hundreds of cycles at 134°C
Gamma Radiation
Excellent resistance to gamma sterilization up to 25-50 kGy
EtO Sterilization
Compatible with ethylene oxide sterilization processes
Dry Heat
Limited resistance – not recommended for dry heat sterilization
Chemical Resistance
Acids & Alkalis
Excellent resistance to mineral acids, alkali solutions, and salt solutions
Detergents
Good resistance to cleaning agents and surfactants
Hot Water & Steam
Outstanding hydrolytic stability in hot water and steam environments
Organic Solvents
Limited resistance to some organic solvents and polar compounds
Material Comparison
Compare PSU with other high-performance thermoplastics
| Property | PSU | PPSU | PEI | PEEK |
|---|---|---|---|---|
| Continuous Use Temp | 150°C | 180°C | 170°C | 260°C |
| Tensile Strength | 70 MPa | 75 MPa | 105 MPa | 100 MPa |
| Chemical Resistance | Excellent | Superior | Good | Excellent |
| Steam Sterilization | 250+ cycles | 1000+ cycles | Limited | Limited |
| Transparency | Excellent | Good | Good | Opaque |
| Cost Level | $$ | $$$ | $$$ | $$$$ |
PSU
Best for transparency and steam sterilization at moderate cost
PPSU
Superior chemical resistance and higher temperature capability
PEI
Higher strength but limited sterilization resistance
PEEK
Highest performance but premium cost and opaque
Tolerances & Precision
Industry-leading precision capabilities for critical PSU components
CNC Machining Tolerances
Standard Tolerances
±0.005″ (±0.127mm) for general dimensions
Precision Tolerances
±0.001″ (±0.025mm) for critical features
Ultra-Precision
±0.0005″ (±0.013mm) for special applications
Surface Finish Options
As-Machined
Ra 1.6-3.2 μm (63-125 μin) standard finish
Fine Machined
Ra 0.8-1.6 μm (32-63 μin) smooth finish
Polished
Ra 0.4-0.8 μm (16-32 μin) mirror-like finish
Textured
Custom textures and patterns available
Quality Assurance
100% Inspection
Every part inspected before shipment
Certified Processes
ISO 9001:2015 quality management
SPC Monitoring
Statistical process control throughout production
Cost Analysis & Process Comparison
Choose the optimal manufacturing process based on volume and complexity
CNC Machining
Advantages:
- • No tooling investment required
- • Ideal for prototypes and low volumes
- • Complex geometries achievable
- • Quick design iterations
- • Tight tolerances possible
Injection Molding
Advantages:
- • Lowest per-part cost at volume
- • Excellent repeatability
- • Minimal secondary operations
- • Complex internal features
- • Multiple parts per cycle
Cost Breakeven Analysis
50
Parts: CNC Preferred
500
Parts: Evaluate Both
5,000
Parts: Molding Preferred
Get Your Custom PSU Parts Quote
Partner with PartsMFGX for precision polysulfone components that meet your exact specifications
Contact Information
Address
Feige Industrial Park, Guanlan Street
Longhua District, Shenzhen, China
Experience
12+ Years in Custom Manufacturing
Certifications
ISO 9001:2015 Quality Management
Why Choose PartsMFGX?
- • 12+ years of PSU manufacturing expertise
- • Advanced CNC and injection molding capabilities
- • Medical grade and aerospace quality standards
- • Competitive pricing with reliable delivery
- • Comprehensive quality control and inspection
- • Technical support throughout your project
Request Quote
• Upload your CAD files or drawings
• Specify material grade and quantity
• Include tolerance and finish requirements
• Provide timeline and delivery needs