ULTEM™ Resin 1285
Plastic Granules
ULTEM™ Resin 1285 Transparent Polyetherimide Blend
ULTEM™ Resin 1285 is a transparent PEI blend from SABIC. It offers high stiffness, 110 MPa tensile yield stress, 181°C Vicat softening temperature, and FDA/EU food contact compliance in recognized colors. Suitable for injection molded parts needing heat resistance and dimensional stability.
Typical property data
Physical Properties
- Specific Gravity: 1.29 (ASTM D792)
- Mold Shrinkage, Flow, 3.2 mm: 0.6–0.7% (SABIC Method)
- Melt Flow Rate, 295°C/6.6 kgf: 8.1 g/10 min (ASTM D1238)
Mechanical Properties
- Tensile Stress, Yield, Type I, 5 mm/min: 110 MPa (ASTM D638)
- Tensile Stress, Break, Type I, 5 mm/min: 82 MPa (ASTM D638)
- Tensile Strain, Break, Type I, 5 mm/min: 60% (ASTM D638)
- Tensile Modulus, 5 mm/min: 3370 MPa (ASTM D638)
- Flexural Stress, Yield, 2.6 mm/min, 100 mm Span: 165 MPa (ASTM D790)
- Flexural Modulus, 2.6 mm/min, 100 mm Span: 3370 MPa (ASTM D790)
- Notched Izod Impact, 23°C: 26 J/m (ASTM D256)
- Reverse Notched Izod Impact, 3.2 mm: 950 J/m (ASTM D256)
- Instrumented Dart Impact Total Energy, 23°C: 40 J (ASTM D3763)
Thermal Properties
- Vicat Softening Temperature, Rate B/50: 181°C (ASTM D1525)
- Heat Deflection Temperature, 1.82 MPa, 6.4 mm, Unannealed: 165°C (ASTM D648)
- Coefficient of Thermal Expansion, -40°C to 40°C, Flow: 4.86E-05 1/°C (ASTM E831)
- Coefficient of Thermal Expansion, -40°C to 40°C, Cross-Flow: 4.86E-05 1/°C (ASTM E831)
Injection Molding Processing
- Drying Temperature: 120–150°C
- Drying Time: 4–8 hrs
- Drying Time, Cumulative: 24 hrs
- Maximum Moisture Content: 0.02%
- Melt Temperature: 300–330°C
- Nozzle Temperature: 300–330°C
- Front Zone 3 Temperature: 295–325°C
- Middle Zone 2 Temperature: 290–320°C
- Rear Zone 1 Temperature: 280–315°C
- Mold Temperature: 95–150°C
- Back Pressure: 0.7–1.4 MPa
- Screw Speed: 50–100 rpm
- Shot to Cylinder Size: 40–60%
- Vent Depth: 0.025–0.076 mm
Use & Applications
- Food-contact transparent parts
- consumer goods
- packaging
- specialty PEI applications