Accepted Manuscript Porous product with reduced apparent density keeps good mechanical properties. Extruded composites of poly(vinyl chloride) blown under microwave irradiation Sławomir Michałowski, Aleksander Prociak, Stanisław Zajchowski, Jolanta Tomaszewska, Jacek Mirowski PII: S0142-9418(17)30742-0 DOI: 10.1016/j.polymertesting.2017.10.007 Reference: POTE 5205 To appear in: Polymer Testing Received Date: 21 June 2017 Revised Date: 26 September 2017 Accepted Date: 7 October 2017 Please cite this article as: Sł. Michałowski, A. Prociak, Stanisł. Zajchowski, J. Tomaszewska, J. Mirowski, Porous product with reduced apparent density keeps good mechanical properties. Extruded composites of poly(vinyl chloride) blown under microwave irradiation, Polymer Testing (2017), doi: 10.1016/j.polymertesting.2017.10.007. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.