PPSU/PSU Rods, Sheets & Custom Profiles
Tg 220°C | Izod Impact 68 kJ/m² | Gamma & X-Ray Resistant | Medical & Food Grade
Supplied as high-purity machining stock and custom extruded profiles, our PPSU/PSU Rods, Sheets & Profiles are engineered for medical, aerospace, and industrial applications requiring extreme shatterproof toughness and unlimited steam autoclave sterilization. Featuring Tg 220°C, HDT 196°C, Izod impact strength of 68 kJ/m², and intrinsic UL94 V-0 flammability, our sulfone stock shapes withstand gamma/X-ray radiation without embrittlement. Available in 9 standard color-coded grades and custom extruded profile geometries.
Send your target size, color code, or drawing below for an immediate factory quote.
Product information
Published information supports preliminary product selection. Confirm the exact grade, dimensions, tolerances, documentation and application suitability with the quotation for your order.
Description
Technical Performance Datasheet (ISO/IEC Standard Metrics)
| Performance Category | Test Method | Metric Value | Engineering Benefit |
| Glass Transition Temp (Tg) | ISO 11357 | 220 °C | Superior thermal retention over PSU and PEI |
| Heat Deflection Temp (HDT/A) | ISO 75 (1.8 MPa) | 196 °C | High structural stability under load |
| Izod Notched Impact Strength | ISO 180/A | 68 kJ/m² | Virtually shatterproof (Outperforms PC/PSU) |
| Tensile / Flexural Strength | ISO 527 / ISO 178 | 70 MPa / 105 MPa | High mechanical load capacity |
| Flammability Rating | UL 94 (1.5mm) | V-0 Class | Intrinsic flame retardancy without additives |
| Dielectric Strength | IEC 60243-1 | 44 kV/mm | High-voltage electrical insulation |
| Density & Water Absorption | ISO 1183 / ISO 62 | 1.29 g/cm³ / 0.6% | Lightweight with zero hydrolysis breakdown |
Standard Color-Coding Matrix (9 Precision Color Codes)
We supply extruded rods, plates, and custom profiles in 9 precision color codes for instant medical and industrial component identification:
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Natural Beige: N000
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Solid Black: BL001
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Light Blue: BB09
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Dark Blue: DB0099
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Medical Green: GR350
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Industrial Yellow: Y159
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Equipment Grey: GG6126
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Surgical Red: R8040
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Pure White: W002
Stock Shapes & Custom Profile Extrusion Capabilities
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Round Rods & Heavy Plates: Fully stress-relieved machining stock for CNC turning and milling.
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Custom Extruded Profiles (异型材定制): C-channels, slotted guide rails, handles, and custom hollow profiles manufactured between 350°C–390°C melt extrusion to reduce customer CNC machining waste.
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Sterilization & Radiation Inertia: Immune to repeated high-pressure steam autoclave sterilization and high-energy radiation (γ-ray and X-ray) exposure.
Engineering Limitations & Trade-offs
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Polar Organic Solvent Restriction: Amorphous PPSU is inherently sensitive to polar organic solvents such as Ketones (Acetone, MEK), Esters, and Aromatic Hydrocarbons, which cause Environmental Stress Cracking (ESC). (Select crystalline PPS or PEEK for ketone/ester exposure).
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Tracking Resistance Index (CTI 150V): Excellent dielectric strength (44 kV/mm), but CTI rating is 150V; not recommended for high-voltage tracking applications requiring CTI >600V (select CTI-grade PPS for tracking resistance).
Target Applications
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Medical & Surgical Devices: Sterilization trays/boxes, surgical instrument handles, trial hip joints, hip trial heads, endoscope housings.
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Food Processing & Infant Care: Food contact trays, commercial coffee machine manifolds, baby bottles.
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Aerospace & High-Tech Industrial: Cabin interior structural trims, aircraft plumbing seals, electrical isolator guides.
Order Checklist
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Form Type: Round Rods / Plates & Sheets / Custom Extruded Profiles (provide profile drawing).
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Dimensions: Rod Diameter (mm) or Sheet Thickness × W × L (mm).
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Color Code: Natural N000, Black BL001, Light Blue BB09, Dark Blue DB0099, Green GR350, Yellow Y159, Grey GG6126, Red R8040, White W002.
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Quantity: Number of pieces, total meters, or weight (kg).
Material overview
Understanding PPS (Polyphenylene Sulfide)
Why engineers use it
- Broad chemical resistance for many industrial fluids and process environments.
- Low moisture uptake and good dimensional stability.
- Useful electrical insulation and inherent flame-resistance characteristics.
- Reinforced grades can provide high stiffness and repeatable molded dimensions.
- Often offers a practical cost/performance position below PEEK.
Limits to consider
- Unfilled PPS can be relatively brittle and design details strongly affect impact performance.
- Glass or mineral reinforcement changes shrinkage, anisotropy and machining behavior.
- Oxidizing media and actual high-temperature chemicals still require compatibility review.
- Weld lines, sharp corners and molding orientation can become structural weak points.
- It should not be selected from chemical-resistance charts alone.
Grades and product forms
PPS is commonly supplied unfilled or reinforced with glass fiber, mineral filler, carbon fiber or combined systems. The filler package changes stiffness, movement, surface finish, conductivity and wear. Pellets suit volume molding, while sheet, rod or finished parts may be preferable for prototypes and lower-volume production.
Performance points to review
| Evaluation area | Why it matters | Information to provide |
|---|---|---|
| Temperature behavior | Useful performance under elevated or changing temperature | Continuous and peak temperature, cycle length and time at load |
| Mechanical response | Strength and stiffness must match the real part geometry | Load direction, stress level, impact and fatigue expectations |
| Environmental resistance | Fluids, cleaning agents and atmosphere can change service life | Chemical name, concentration, temperature and exposure time |
| Dimensional control | Tight-tolerance parts depend on both material and processing | Finished dimensions, tolerances and assembly conditions |
| Electrical or insulation needs | Electrical requirements may influence grade and thickness | Voltage, dielectric, conductivity or insulation target |
These are engineering discussion points, not guaranteed property values. Final acceptance criteria should be agreed for the selected grade, process and order.
Typical application directions
These examples show where the material may be evaluated. They do not replace a suitability review for the finished component.
Fabrication and processing preparation
Share the finished part drawing as well as the requested rod diameter and length. This makes it possible to discuss machining allowance, tolerance, cut length, quantity and whether a closer starting size could reduce waste.
Where the application is critical, define what a successful trial looks like before material is ordered: dimensions after processing, visual condition, mechanical response, assembly fit or another measurable result.
When another material may be better
PEEK may be preferred when toughness or a broader high-temperature performance margin is required. PPS can be the more practical solution when chemical resistance, stiffness, repeatable molding and cost control are the central requirements.
We recommend sharing the current material and the reason it is being reconsidered. Cost, processability, supply form and inspection burden belong in the decision alongside technical performance.
Information needed for an accurate quotation
A useful RFQ reduces follow-up questions and helps us distinguish between a material request and a finished-part requirement.
| Product form | Raw material, stock shape, semi-finished blank or completed part |
|---|---|
| Dimensions | Nominal size, finished size and tolerances |
| Quantity | Trial quantity, first order and estimated annual demand |
| Application | Part function and current material, if any |
| Operating temperature | Continuous range, peak temperature and cycle duration |
| Environment | Chemicals, gases, moisture, pressure, vacuum or outdoor exposure |
| Mechanical duty | Load, speed, impact, wear and mating components |
| Documentation | Drawing revision, inspection, traceability or compliance needs |
Frequently asked questions
Can I request a sample or trial quantity?
Trial quantities can be discussed according to product form and availability. Tell us what you need to prove during the trial, the intended process and the expected production quantity if the test succeeds.
Do you provide a data sheet or material documentation?
Available documentation depends on the selected material and supply route. List the documents required by engineering, purchasing or quality when you inquire so they can be checked before quotation.
Can the grade be selected from a product name alone?
No. Similar product names can cover different grades, colors, fillers and processes. Selection should be based on the finished application, environment and required property balance.
Can you supply custom dimensions or finished parts?
Custom sizes, blanks or finished parts can be reviewed where appropriate. A drawing with tolerances, quantity and material requirement is the best basis for quotation.
How should we evaluate an alternative to our current material?
Share the current grade, the part’s service conditions and the reason for changing it. A useful comparison looks at failure mode, processing, life, inspection and total project cost—not only a single property value.
What determines lead time?
Lead time depends on product form, grade, size, quantity, documentation, machining and current availability. Confirm the required delivery date and destination with the RFQ rather than assuming a standard schedule.
Send the drawing, application and quantity. We will use the project details to prepare a practical material and supply discussion.
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