PEI
Industrial filament
PEI
PEI (Ultem) - high-temperature, high-strength engineering polymer.
100 MPaTensile Strength
360–390 °CPrint Temp
120–140 °CBed Temp
1.75 mmDiameter
Technical Specifications
| Diameter | 1.75 mm |
|---|---|
| Diameter Tolerance | 0.05 mm |
| Density | 1.27 g/cm³ |
| Net Weight | 1000 g |
| Print Temp (Min) | 360 °C |
| Print Temp (Max) | 390 °C |
| Bed Temp (Min) | 120 °C |
| Bed Temp (Max) | 140 °C |
| Print Speed | 40 mm/s |
| Tensile Strength | 100 MPa |
| Elongation at Break | 60 % |
| Impact Strength | 50 kJ/m² |
| Heat Deflection Temp | 200 °C |
| Moisture Sensitivity | High |
| UV Resistance | High |
| Chemical Resistance | High |
| Flexibility | Rigid |
| Print Difficulty | Hard |
| Price Tier | Premium |
| Printer Compatibility | Enclosure, all-metal hotend |
| Recommended Application | High-heat parts, transparent enclosures |
Features
PEI (Ultem) - high-temperature, high-strength engineering polymer.
Flexibility: Rigid
Print Difficulty: Hard
UV Resistance: High
Chemical Resistance: High
Moisture Sensitivity: High
Recommended Printing Settings
| Print Temp (Min) | 360 °C |
|---|---|
| Print Temp (Max) | 390 °C |
| Bed Temp (Min) | 120 °C |
| Bed Temp (Max) | 140 °C |
| Print Speed | 40 mm/s |
Printing Tips
| Part cooling fan | 0-10% |
|---|---|
| Enclosure | Required |
PEI (polyetherimide) is an amorphous high-temperature engineering polymer with excellent strength, stiffness and inherent flame resistance. Heated enclosure required.
- Nozzle 360-390°C, bed 120-140°C
- Dry at 120-150°C for 4-6h before printing
- All-metal hotend essential — no PTFE in the hot zone
Downloads
Download TDSTechnical data sheet
Download SDSSafety data sheet
Request CoACertificate of analysis
Printing GuideDocumentation availability is confirmed for the selected grade and order.
Spool & Packaging Options
Spool weight and packaging can be selected per order.
Frequently Asked Questions
What is PEI and what are its main applications?
PEI is an FDM/FFF 3D printing filament. Suitable applications depend on the exact grade, printer setup and process validation; review the current datasheet or confirm requirements with our team.
What printing temperature is recommended for PEI?
Recommended nozzle and bed temperatures depend on the material grade and printing system. Use the current technical data sheet for the specific grade as the starting point.
Is PEI compatible with my 3D printer?
Compatibility depends on the stated filament diameter, printer hardware, hotend, bed and process settings. Validate the material on the target printer before production use.
Does PEI come with TDS and SDS documentation?
Documentation availability depends on the material, grade and batch. Request the current TDS, SDS or other required documents for the exact item before ordering.
Can I order samples of PEI before bulk purchase?
Sample availability, format and quantity are confirmed per material and project. Submit a sample request with the target grade, diameter, colour and application.
What colors and spool sizes are available for PEI?
Available colours, net weights and spool options are confirmed for the selected grade and order. Custom colours and packaging are reviewed as an OEM/ODM project.
Is PEI RoHS and REACH compliant?
Regulatory status and supporting documents are grade- and batch-specific. Confirm the exact declaration required for your market before ordering.