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Ensinger PEI

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Eastman Cristal™ 401 Copolyester
Categories: Polymer; Thermoplastic; Polyester, TP

Material Notes: Product Description: Cristal™ 401 copolyester is a high flow product that contains mold release for ease of ejection. It is designed and engineered specifically for cosmetics packaging applications. With its unsurpassed color and clarity and an unmatched ability to mold thick parts with improved gate aesthetics, Cristal™ is clearly a well suited copolyester for premium cosmetics packaging. Other outstanding features of Cristal™ are excellent chemical resistance, high gloss, and improvements in processing such as faster cycle times, and lower scrap rates. Cristal™ is also ideally suited for two-shot molding techniques due to its lower processing temperatures, very slow crystallization rate, and flow characteristics.

Application/Uses:

  • Compacts
  • Cosmetic jar caps
  • Cosmetic jars
  • Cosmetics/personal care packaging
  • Fragrance caps
  • Fragrance packaging
  • Lip gloss containers
  • Lipstick containers
  • Personal care bottles
Key Attributes:
  • Ability to mold thick parts
  • Ease of processing
  • Easy to extrude, cut, decorate, and seal
  • Excellent chemical resistance
  • Excellent clarity and color
  • Excellent colorability
  • Good impact strength
  • Good stiffness
  • High gloss appearance
  • Improved gate aesthetics
  • Readily fill intricate molds
  • Toughness

Information provided by Eastman

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Physical PropertiesOriginal ValueComments
Density 1.28 g/ccASTM D792
Linear Mold Shrinkage, Flow 0.0020 - 0.0050 cm/cm
@Thickness 3.20 mm
ASTM D955
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 108ASTM D785
Tensile Strength at Break 20.0 MPaISO 527
 24.0 MPaASTM D638
Tensile Strength, Yield 50.0 MPaASTM D638
 50.0 MPaISO 527
Elongation at Break 39 %ISO 527
 44 %ASTM D638
Elongation at Yield 4.3 %ISO 527
 4.4 %ASTM D638
Tensile Modulus 2027 MPaISO 527
 2036 MPaASTM D638
Flexural Strength 66.0 MPaASTM D790
Flexural Modulus 1808 MPaASTM D790
Izod Impact, Notched 44.0 J/m
@Temperature -40.0 °C
ASTM D256
 103 J/m
@Temperature 23.0 °C
ASTM D256
Izod Impact, Unnotched NB
@Temperature -40.0 °C
ASTM D4812
 NB
@Temperature 23.0 °C
ASTM D4812
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 68.0 °CASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 61.0 °CASTM D648
 
Optical PropertiesOriginal ValueComments
Haze 0.40 %ASTM D1003
Transmission, Visible 91.8 %ASTM D1003
 
Processing PropertiesOriginal ValueComments
Melt Temperature 205 - 240 °C
Mold Temperature 16.0 - 38.0 °C
Drying Temperature 65.0 °C
Dry Time 8.00 hour

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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