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Ultem PEI 4211-1100 / 4211-7402 | 20% Glass Fiber & PTFE Filled PEI Resin
Ultem PEI 4211-1100 is a 20% glass fiber and PTFE filled polyetherimide (PEI) resin that combines high stiffness and strength with excellent wear resistance and low friction. The hybrid filler system provides a flexural modulus of 7100 MPa and a low coefficient of friction, making it ideal for structural components that require sliding or bearing surfaces. Inherently flame retardant (UL94 V0 at 1.5 mm). Enhanced flow allows molding of complex parts.
Packaging Specifications: 25Kg/Bag
Original price was: 900.00$.450.00$Current price is: 450.00$.
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Overview
Ultem PEI 4211-1100 (SABIC Ultem 4211) is a 20% glass fiber and PTFE filled polyetherimide resin. The glass fibers provide high stiffness and strength, while the PTFE lubricant significantly improves wear resistance and reduces friction. This combination makes it suitable for moving parts that require both structural integrity and low friction. The material retains the inherent thermal stability (Tg 217°C, HDT 212°C), excellent electrical properties, and flame retardancy (UL94 V0 at 1.5 mm) of PEI. It has good melt flow (MFR ~10.3 g/10 min) for molding of complex geometries. RoHS compliant. Available in natural (4211-1100) and black (4211-7402).
Applications
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Wear-resistant gears and cams
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Bearing cages and bushings
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Sliding structural components in automotive and industrial equipment
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Pump impellers and valve seats
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Electrical connectors requiring wear resistance
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Office automation equipment (printer, copier moving parts)
Detailed Technical Properties (based on SABIC Ultem 4211 datasheet)
| Property | Typical Value | Unit | Test Method |
|---|---|---|---|
| Mechanical | |||
| Tensile Stress (yield, Type I) | 129 | MPa | ASTM D638 |
| Tensile Strain (break) | 3 | % | ASTM D638 |
| Flexural Stress (break) | 193 | MPa | ASTM D790 |
| Flexural Modulus | 7100 | MPa | ASTM D790 |
| Impact | |||
| Izod Impact, Reverse Notched (3.2 mm) | 437 | J/m | ASTM D256 |
| Thermal | |||
| HDT (1.82 MPa, 6.4 mm) | 212 | °C | ASTM D648 |
| Relative Temp Index (Elec) | 105 | °C | UL 746B |
| Relative Temp Index (Mech w/impact) | 105 | °C | UL 746B |
| Relative Temp Index (Mech w/o impact) | 105 | °C | UL 746B |
| Physical | |||
| Specific Gravity | 1.48 | – | ASTM D792 |
| Melt Flow Rate (337°C/6.6kg) | 10.3 | g/10 min | ASTM D1238 |
| Flame Characteristics | |||
| UL94 Flammability | V0 (1.5 mm) | – | UL 94 |
Injection Molding Parameters (recommended)
| Parameter | Value |
|---|---|
| Drying Temperature | 135 °C |
| Drying Time | 4-6 hours |
| Melt Temperature | 350-370 °C |
| Mold Temperature | 135-165 °C |
| Back Pressure | 0.3-0.7 MPa |
Download PDF Product Datasheet
Download Ultem PEI 4211 Technical Datasheet (PDF)
Price & Ordering Information
Price:
-
Natural Color (Ultem PEI 4211-1100): 18.00 USD/kg
-
Black Version (Ultem PEI 4211-7402): 18.00 USD/kg
Minimum Order Quantity (MOQ): Please contact us for MOQ details.
Bulk Purchase Discount: Volume pricing available. Please inquire for a customized quote.
For MOQ, bulk discounts, and lead times, please contact our sales team.
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