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ULTEM™ resin CRS5211R (Americas)

Technical Datasheet | Supplied by SABIC
ULTEM™ resin CRS5211R (Americas) by SABIC is an amorphous polyetherimide (PEI) copolymer filled with 20% glass fiber. Provides high flow, good internal mold release and enhanced chemical resistance to strong acids, bases, aromatics, & ketones. Exhibits low shrinkage, good metal adhesion, high strength, high heat resistance and good dimensional stability. It offers low smoke & toxicity, good mechanicals in broad temperature range and low creep sensitivity. It shows high stiffness and hydrolytic stability. Suitable for processing by injection molding. ULTEM™ resin CRS5211R (Americas) is used in aircraft interiors, defense, fossil, mass transportation (heavy truck, rail, bus), automotive interiors & under the hood, industrial, hydrocarbon and energy. Complies with UL 94 V-0 & UL 94 5VA flame rating and conforms to ECO regulations.
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ULTEM™ resin CRS5211R (Americas)
Technical Datasheet | Supplied by SABIC
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
Product Type
PEI (Polyether Imide) > PEI
Product Status
COMMERCIAL
Geographical Availability
North America, South and Central America, Western Europe
Applications/ Recommended for
  • Aerospace/ Aircrafts > Interior parts
  • Transportation > Railways
  • Renewable energy equipment
  • Transportation > Buses
  • Transportation > Heavy Trucks
  • Automotive
  • Injection molding - thermoplastics
Key Features
  • Acid Resistant
  • Amorphous
  • Base Resistant
  • Chemical resistance, Good
  • Copolymer
  • Dimensional stability, Good
  • Filled, Glass Fiber
  • Flow, High
  • Heat Resistance, High
  • Hydrolytically Stable
  • Mold Release, Good
  • Shrinkage, Low
  • Smoke Emission, Low
  • Stiffness, High
  • Strength, High
  • Toxicity, Low

ULTEM™ resin CRS5211R (Americas) Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.45
ASTM D792
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
5.5 g/10 min
(At 337°C, 6.6 kgf) 
ASTM D1238

ULTEM™ resin CRS5211R (Americas) Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Front Zone 3 Temperature
365 - 390 °C
Vent Depth
0.025 - 0.076 mm
Back Pressure
0.3 - 0.7 MPa
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