PF KEEP®

PF KEEP®  is a highly engineered polymer, based on polyetheretherketone (also known by its acronym, PEEK). It is a thermoplastic material approved for permanent use in human according to International Standards including ISO 13485: 2016 (quality in manufacturing), ISO 10993: 2021 (biocompatibility),  ISO 20795-1:2013 (Dentistry-Base polymers - Part  1: Denture Base Polymers) and  USP 88 Class VI (toxicity). Each presentation contains 45 g (1.6 oz) of pellets.


PHYSICAL PROPERTIES
Aqueous absorption                5 μg/mm3                     ISO 20795:2013
Porosity                                 NO                                ISO 20795:2013
Density                                  1.31 g/m3                     ISO 1183

MECHANICAL PROPERTIES
Resistance to fracturing.        10846 J/m2.            ISO 20795:2013
Flexural modulus.                  3530 MPa.               ISO 20795:2013
Tensile strength.                    162 MPa.                ISO 20795:2013
Coefficient of friction               0.18                      ASTM D-1894
Ultimate tensile strength         7.0 MPa/m2            ISO 20795:2013

THERMAL PROPERTIES
Thermoplastification.              340 ° C (644 ° F)


CHEMICAL PROPERTIES
Solubility.        0.04 μg/mm3.    ISO 20795:2013