Blue Medical PPSU/PSU Rods & Sheets
Surgical Blue & Custom Colors | 1000+ Steam Cycles | ISO 10993 & FDA Compliant
Supplied as certified, high-purity machining stock, our Autoclave-Grade PPSU/PSU Rods & Sheets (featuring Surgical Light Blue BB09 and Dark Blue DB0099) are engineered for surgical instrument handles, trial hip joints, puncture handles, and spine extension plates. Compounded with non-migratory FDA pigments, our blue stock shapes withstand 1,000+ steam autoclave cycles (134°C) and gamma/X-ray radiation without dye leaching, color fading, or micro-cracking.
Send your target rod diameter, plate thickness, 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
Engineering Brief: Surgical Blue Color-Coding & Medical Components
In orthopedic and surgical trays, “Surgical Blue” (Light Blue BB09 and Dark Blue DB0099) is the universal color coding for trial instruments, puncture handles, and spine extension plates.
Standard colored thermoplastics often bleed dye, yellow, or embrittle under hospital steam sterilization and high-energy radiation. Our Blue PPSU/PSU stock shapes integrate FDA-compliant, heat-stable inorganic pigments directly into high-purity sulfone resin (Tg 220°C, HDT 196°C). This guarantees that surgical handles and trial joints retain their vivid blue color and sub-micron dimensional tolerances through repeated 134°C autoclaving, gamma/X-ray radiation, and harsh enzymatic wash protocols.
Mechanical Toughness & Radiation Resistance
Synthesized with 4,4′-biphenol monomer, our Blue PPSU stock shapes deliver an Izod notched impact strength of 68 kJ/m² (virtually shatterproof), far outperforming PC, PSU, and PEI.
When subjected to repeated gamma or X-ray radiation sterilization during surgical procedures, the polymer chain remains stable without embrittlement or surface chalking.
Stock Shape Integrity & CNC Machining Performance
All blue rods and thick plates undergo a 72-hour thermal stress-relief process. This ensures straight rod turning on Swiss lathes without center runout (“whipping”) and flat plate milling without bowing. Non-abrasive unfilled stock turns smoothly with carbide tooling, producing Ra 0.4μm mirror-finish surface seals for medical fluid connectors.
Material Boundaries (When NOT to Specify)
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⚠️ Polar Organic Solvent Restriction: Amorphous sulfone resins (PPSU and PSU) are susceptible to Environmental Stress Cracking (ESC) when exposed to polar organic solvents such as Acetone, MEK, Ethyl Acetate, or Toluene. (Select crystalline PPS or PEEK for ketone/ester exposure).
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⚠️ High-Voltage Tracking (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 instead).
Target Medical & Industrial Applications
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Orthopedic & Surgical Instruments: Puncture handles, spine extension plates, trial hip joints, surgical trial handles.
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Medical Sterilization & Trays: Disinfection boxes, surgical trays, endoscope housing components.
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Food & Infant Care: Food contact trays, commercial coffee machine manifolds, baby bottles.
Stock Parameters & Quote Checklist
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Material Option & Form: PPSU or PSU | Rod Diameter (mm) or Sheet Thickness × W × L (mm).
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Color Code: Light Blue BB09, Dark Blue DB0099, Natural N000, Solid Black BL001, Yellow Y159, Red R8040.
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Compliance Needs: FDA Food Contact / ISO 10993 Biocompatibility.
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Quantity: Number of rods, sheets, or cut-to-size pieces.
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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