Service Provider On this page of polyneub.com are all concerns listet, which offer services or converting of polymer resources or polymer products. When you move with the cursor over the link concern informations, a small window pops up including a short description over their individual core competences. With a click on this link, you will get more detailled informations about the offered products and contact addresses. NEWS Fraunhofer Institute for Mechanics of Materials concern information homepage Copyright © 2010 polyneub.com  - Matthias Neuber - about  - general terms and conditions research/ development service provider manufaction Irregular pores, low flow  rates: The plastic  membrane filters used in  sterile filtration do not  always ensure that  conditions are really sterile.  Filter membranes of  aluminum oxide are more  reliable – the size of the  nanopores can be  determined with precision.  Even the smallest viruses  cannot pass through the  membrane.  more...