The present invention is an expanded polytetrafluoroethylene (PTFE) floss with improved handling properties. Unlike previous expanded PTFE flosses, the floss of the present invention employs a fiber of increased thickness so that the floss is maintained in an unfolded orientation. The improved processing...http://www.google.fr/patents/US5518012?utm_source=gb-gplus-shareBrevet US5518012 - Expanded PTFE floss material and method of making same
Expanded PTFE floss material and method of making same
