Amber PEI Round Rods (Extruded)
We supply Vantpoly® PEI 1000 Series Amber Rods and Sheets, engineered as a high-performance direct alternative to Ultem™ 1000. Manufactured from 100% virgin polyetherimide, this unfilled stock shape matches the mechanical, thermal, and dielectric properties of premier PEI resins. Featuring 𝑇𝑔 = 217℃, HDT = 200℃, inherent UL94 V-0 flame safety, and full FDA / USP Class VI / FAA FAR 25.853 compliance, it is stress-relieved for precision CNC machining. Share your required dimensions for a fast 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
Vantpoly® PEI 1000 Series Physical Property Datasheet
| Property Category | Test Method / Standard | Vantpoly® PEI 1000 Standard Value | Performance Benchmark |
| Chemical Polymer & Color | — | Polyetherimide (PEI) / Translucent Amber | Unfilled Virgin PEI |
| Density | ISO 1183 | 1.27 g/cm³ | Standard PEI |
| Water Absorption (23°C / 24h) | ISO 62 | 0.25 % (Ultra-low moisture swell) | Standard PEI |
| Tensile Strength at Yield | ISO 527 (50 mm/min) | 105 MPa | Equivalent to Ultem™ 1000 |
| Tensile Modulus | ISO 527 (1 mm/min) | 3,200 MPa (3.2 GPa) | Equivalent to Ultem™ 1000 |
| Flexural Modulus | ISO 178 | 3,300 MPa | Equivalent to Ultem™ 1000 |
| Glass Transition Temp (𝑇𝑔) | ISO 11357 | 217°C | Equivalent to Ultem™ 1000 |
| Heat Deflection Temp (HDT @ 1.8 MPa) | ISO 75 | 200°C | Equivalent to Ultem™ 1000 |
| Continuous Operating Temp (RTI) | UL 746B | 170°C | Equivalent to Ultem™ 1000 |
| Dielectric Strength (1mm) | IEC 60243-1 | 33 kV/mm | Equivalent to Ultem™ 1000 |
| Dielectric Constant ( 𝐷ₖ@ 1MHz) | IEC 60250 | 3.15 | Equivalent to Ultem™ 1000 |
| Dissipation Factor (𝐷𝑓@ 1MHz) | IEC 60250 | 0.0013 | Equivalent to Ultem™ 1000 |
| Flammability Rating | UL 94 (0.75mm & 1.5mm) | UL94 V-0 (Inherent, LOI 47%) | Equivalent to Ultem™ 1000 |
| Aerospace FST Compliance | FAA FAR 25.853 | Compliant (Cabin FST certified) | Equivalent to Ultem™ 1000 |
| Food & Medical Compliance | FDA / USP Class VI | Compliant (Biocompatible & Food Safe) | Equivalent to Ultem™ 1000 |
Core Engineering Advantages
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Seamless Technical Qualification: Equivalent mechanical, thermal, and dielectric specifications allow direct material substitution on existing PEI engineering drawings.
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Multi-Cycle Sterilization: Withstands repeated 134°C steam autoclaving, EtO gas, Gamma rays (1100 Mrad), and hospital disinfectants.
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Inherent Flame Safety & Low Smoke: Meets strict aerospace interior FST (Flame, Smoke, Toxicity) rules under FAA FAR 25.853 without added halogenated retardants.
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Stress-Relieved for Precision Machining: Multi-stage thermal annealing eliminates internal extrusion stress, enabling warpage-free CNC turning, milling, and deep drilling.
Target Industry Applications
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Semiconductor & Microelectronics: IC test sockets, chip handling trays, wafer carriers, and high-voltage insulating barriers.
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Medical & Pharmaceutical Devices: Autoclavable surgical trial instruments, pharmaceutical fluidic manifolds, probe handles, and sterilization trays.
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Aerospace & Defense: Aircraft cabin air ducting, electrical connectors, military display housings, and radome structural brackets.
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Food Processing & Beverage Equipment: FDA-compliant food processing manifolds, hot liquid pump impellers, and valve seats.
Available Stock Sizes & Ordering Options
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Round Rods: Diameter ∅6mm to ∅200 mm (Length: 1000 / 2000 / 3000 mm)
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Sheets & Plates: Thickness 1.0 mm to 150 mm (Width: 610×1220 mm / Up to 1250 mm)
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Custom Cut Blanks: Pre-cut CNC machining blanks available upon request.
⚖️ Trademark Disclaimer: Ultem™ is a registered trademark of SABIC. Vantpoly® PEI 1000 is an independent formulation manufactured to benchmark equivalent thermal, mechanical, and electrical specifications. Reference to Ultem™ is for technical comparison purposes only.
Material overview
Understanding PEI (Polyetherimide)
Why engineers use it
- Good heat resistance and stiffness for structural and electrical parts.
- Stable dimensions and predictable processing in suitable equipment.
- Inherent flame, smoke and electrical performance for many technical applications.
- Available in natural amber and opaque or reinforced grades.
- Can be molded, machined or printed where the appropriate material form is available.
Limits to consider
- Some chemicals and stress-cracking agents require careful compatibility review.
- Moisture control before high-temperature processing is important.
- Continuous chemical or wear duty may favor PEEK or PPS.
- Reinforced grades change impact, surface and directional properties.
- Regulated uses require the correct documented grade, not a generic PEI designation.
Grades and product forms
Unfilled PEI emphasizes the base material’s thermal, electrical and dimensional balance. Glass-fiber grades improve stiffness and movement control but change toughness and surface finish. Medical, aerospace or food-contact projects must identify the exact documentation requirement before grade selection.
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 provide a larger performance margin in more severe heat or chemical service, while lower-cost engineering plastics may be sufficient for moderate conditions. PEI is often chosen when its specific balance of thermal, electrical and structural properties fits the part.
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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