Product description

Eastman Tritan™ MXF421 copolyester has been formulated for medical devices and meets UL94 V2 compliance at 1.5 mm. Tritan MXF421 has passed ISO 10993 testing for cytotoxicity, skin sensitization, and intracutaneous reactivity. Tritan MXF421 has many outstanding features that include excellent toughness, hydrolytic stability, heat resistance, chemical resistance, and melt flowability to fill complex parts. Tritan MXF421 contains a mold release derived from vegetable-based sources.


  • Medical equipment
  • Medical supplies

    Key attributes

    • Ease of processing
    • Excellent chemical resistance
    • Excellent hydrolytic stability
    • Good toughness

      Regulatory information and data sheets

      Product availability

      Check with local sales office to determine exact availability by country. Orders subjected to minimum order quantity.
      • Asia Pacific
      • Europe, Middle East, & Africa

      Authorized distributors

      Please select a region and country for a list of authorized distributors. If a country is not listed for a region, contact Eastman for further information.
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