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Biocompability

A "must" for many applications

Biocompatibility

Results of biocompatibility tests performed with Covestro´s Polycarbonates

A series of Covestro products (medical grades) have been tested for biocompatibility following ISO 10993 and USP Class VI.

The selected grades have met the requirements of the following tests (skin contact / up to 24 hours contact with circulating blood, tissue, bone, and dentin / up to 30 days contact with mucosal membranes, compromised surfaces, and bloodpath, indirect):

  • Acute systemic toxicity
  • Intracutaneous reactivity
  • Muscle implantation
  • Cytotoxicity
  • Hemolysis – direct and extraction
  • Physico-chemical tests
  • Heavy metal analysis – atomic absorption (extraction and ash)
  • Pyrogenicity study
  • Sensitization – saline extract, oil extract
  • Mutagenicity, Ames test – saline extract, 95 % ethanol extract

Written confirmation on met biocompatibility test requirements for a specific product can be sent on request. (Contact)

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