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Rulon Bearings

Eastman Tritan™ EX401 Copolyester
Categories: Polymer; Thermoplastic; Polyester, TP

Material Notes: Product Description: Tritan™ EX401, specifically developed for the Infant Care market, is an amorphous copolyester with excellent appearance and clarity. Tritan™ EX401 contains a mold release derived from vegetable based sources. Its most outstanding features are clarity, excellent toughness, hydrolytic stability, and heat and chemical resistance. Tritan™ EX401 meets infant care sterilization requirements via boiling water or microwave steam sterilization. This new-generation copolyester can also be molded into various applications without incorporating high levels of residual stress. Combined with Tritan™ copolyester's outstanding chemical resistance and hydrolytic stability, these features give molded products enhanced durability in the dishwasher environment, which can expose products to high heat, humidity, and aggressive cleaning agents. Tritan™ EX401 can be converted into parts using injection molding, injection stretch blow molding (ISBM), and extrusion blow molding techniques. Tritan™ EX401 copolyester may be used in repeated use food contact articles under United States Food and Drug Administration (FDA) regulations. Contact Eastman representative for details on global food contact regulatory clearances.

Applications/Uses:

  • Baby bottles
  • Breast pumps
  • Infant care
  • Pacifiers
Key Attributes:
  • Chemical resistance
  • Clarity
  • Global food contact regulatory clearances
  • Heat resistance
  • Hydrolytic stability
  • Impact resistance
  • Processing ease
  • Sterilization capable via steaming or boiling water

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.17 g/cc1.17 g/ccASTM D792
Linear Mold Shrinkage 0.0050 - 0.0070 cm/cm0.0050 - 0.0070 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 115115ASTM D785
Tensile Strength at Break 53.0 MPa7690 psiASTM D638
Tensile Strength, Yield 44.0 MPa6380 psiASTM D638
Elongation at Break 140 %140 %ASTM D638
Elongation at Yield 7.0 %7.0 %ASTM D638
Flexural Yield Strength 66.0 MPa9570 psiASTM D790
Flexural Modulus 1.585 GPa229.9 ksiASTM D790
Izod Impact, Notched  1.26 J/cm
@Temperature -40.0 °C
2.36 ft-lb/in
@Temperature -40.0 °F
ASTM D256
 6.50 J/cm
@Temperature 23.0 °C
12.2 ft-lb/in
@Temperature 73.4 °F
ASTM D256
Izod Impact, Unnotched  NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ASTM D4812
 NB
@Temperature -40.0 °C
NB
@Temperature -40.0 °F
ASTM D4812
Puncture Energy  59.0 J
@Temperature 23.0 °C
43.5 ft-lb
@Temperature 73.4 °F
Energy @ Max. Load; ASTM D3763
 63.0 J
@Temperature -40.0 °C
46.5 ft-lb
@Temperature -40.0 °F
Energy @ Max. Load; ASTM D3763
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 109 °C228 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 92.0 °C198 °FASTM D648
 
Optical PropertiesMetricEnglishComments
Haze <= 1.0 %<= 1.0 %ASTM D1003
Transmission, Visible 92 %92 %ASTM D1003
 
Processing PropertiesMetricEnglishComments
Processing Temperature 260 - 282 °C500 - 540 °F
Mold Temperature 38.0 - 66.0 °C100 - 151 °F
Drying Temperature 88.0 °C190 °F
Dry Time 4 - 6 hour4 - 6 hour
 
Compliance PropertiesMetricEnglishComments
FDA YesYesRepeated use food contact articles

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PE8907 / 109249

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