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USP Class VI Adhesives
USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

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Eastman Tritan™ MX731 Medical Grade Copolyester
Categories: Polymer; Thermoplastic; Polyester, TP

Material Notes: Eastman Tritan Copolyester MX731 is an amorphous product with excellent appearance and clarity. Eastman Tritan Copolyester MX731 is a high flow medical grade of Eastman Tritan that has viscosity reductions of 40-50% relative to Eastman Tritan Copolyester MX711. Eastman Tritan Copolyester MX731contains a mold release derives from vegetable based sources. Eastman Tritan Copolyester MX731 has many outstanding features that include excellent toughness, hydrolytic stability, heat resistance, chemical resistance, and melt flowability. Eastman Tritan Copolyester MX731 has been formulated for medical devices. Eastman Tritan Copolyester MX731 has been tested for FDA/ISO 10993 and USP Class VI Biological Evaluation testing after Gamma and ETO sterilization.

Application/Uses

  • Blood therapy
  • IV components

Key Attributes

  • Ease of processing
  • Excellent clarity
  • Excellent hydrolytic stability
  • Fast cycle times
  • Fast drying times
  • Good chemical resistance
  • Good color stability upon ETO sterilization
  • Good color stability upon gamma sterilization
  • Good heat resistance
  • Good melt flowability
  • Good toughness

Information was provided by Eastman.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.18 g/ccASTM D792
Linear Mold Shrinkage 0.0050 - 0.0070 in/inASTM D955
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 111ASTM D785
Tensile Strength at Break 52.0 MPaASTM D638
Tensile Strength, Yield 43.0 MPaASTM D638
Elongation at Break 210 %ASTM D638
Elongation at Yield 7.0 %ASTM D638
Tensile Modulus 1575 MPaASTM D638
Flexural Yield Strength 64.0 MPaASTM D790
Flexural Modulus 1575 MPaASTM D790
Izod Impact, Notched 860 J/mASTM D256
Izod Impact, Unnotched NBASTM D4812
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 94.0 °CASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 81.0 °CASTM D648
 
Optical PropertiesOriginal ValueComments
Haze <= 1.0 %ASTM D1003
Transmission, Visible 91 %ASTM D1003
 
Processing PropertiesOriginal ValueComments
Processing Temperature 260 - 282 °C
Mold Temperature 38.0 - 66.0 °C
Drying Temperature 88.0 °C
Dry Time 4 - 6 hour
 
Compliance PropertiesOriginal ValueComments
USP Class VI Yes

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Users viewing this material also viewed the following:
Eastman Tritan™ MX711 Medical Grade Copolyester
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Eastman Tritan™ MP100 Copolyester
Eastman Tritan™ MX710 Medical Grade Copolyester
Eastman Tritan™ TX2000 Copolyester

PE8917 / 109259

USP Class VI Adhesives
USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

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