ULTEM™ Resin 4211
Plastic Granules
ULTEM™ Resin 4211
ULTEM™ Resin 4211 is a 20% glass fiber and PTFE-filled PEI. It delivers 129 MPa tensile strength and 7,100 MPa flexural modulus. HDT reaches 212°C at 1.82 MPa. UL 94 V-0 rated at 1.5 mm. Built-in PTFE cuts friction and wear. ECO conforming. Ideal for aerospace, EV, and precision electronics.
Typical property data
Physical Properties
- Specific Gravity: 1.48 (ASTM D792)
- Melt Flow Rate: 10.3 g/10 min @ 337°C / 6.6 kgf (ASTM D1238)
- Maximum Moisture Content: 0.02 %
- Filler System: 20% Glass Fiber + PTFE
Mechanical Properties
- Tensile Stress at Yield (Type I, 5 mm/min): 129 MPa (ASTM D638)
- Tensile Strain at Break (Type I, 5 mm/min): 3 % (ASTM D638)
- Flexural Stress at Break (2.6 mm/min, 100 mm span): 193 MPa (ASTM D790)
- Flexural Modulus (2.6 mm/min, 100 mm span): 7,100 MPa (ASTM D790)
- Izod Impact, Reverse Notched, 3.2 mm: 437 J/m (ASTM D256)
Thermal Properties
- HDT, 1.82 MPa, 6.4 mm, unannealed: 212 °C (ASTM D648)
- Relative Temperature Index, Electrical: 105 °C (UL 746B)
- Relative Temperature Index, Mech w/ impact: 105 °C (UL 746B)
- Relative Temperature Index, Mech w/o impact: 105 °C (UL 746B)
- Glass Transition Temperature (Tg): 217 °C
Electrical Properties
- RTI, Electrical: 105 °C (UL 746B)
Flame Characteristics
- UL 94 Flame Class Rating: V-0 @ 1.5 mm (UL 94)
Injection Molding Processing
- Drying Temperature: 135 °C
- Drying Time: 4 – 6 Hrs (Cumulative 10 Hrs)
- Melt Temperature: 350 – 370 °C
- Nozzle Temperature: 350 – 370 °C
- Front / Zone 3 Temperature: 350 – 370 °C
- Middle / Zone 2 Temperature: 345 – 365 °C
- Rear / Zone 1 Temperature: 340 – 360 °C
- Mold Temperature: 135 – 165 °C
- Back Pressure: 0.3 – 0.7 MPa
- Screw Speed: 40 – 70 rpm
- Shot to Cylinder Size: 40 – 60 %
- Vent Depth: 0.025 – 0.076 mm
Use & Applications
- Automotive
- building & construction
- consumer
- E&E
- industrial
- mass transportation
- packaging