<html><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><META name="Author" content="Novell GroupWise WebAccess"></head><body style='font-family: Helvetica, Arial, sans-serif; font-size: 13px; '><div>Dear Lennart,</div><div><br></div><div>PVC loses plasticizers (which outgas) over the years. Then the floor becomes brittle and crumbly.<br>But even linoleum is not free of evaporation and pollutants. We did Oddy-tests with linoleum floors some time ago. The result did not look good.<br>Possibly a sealed screed floor is a good idea.</div><div><br></div><div>Best wishes</div><div>Joachim</div><div><br></div><div><br></div><div><br></div><br><br/><div style='clear: both;'><div><font size="2" face="Arial, sans-serif" color="#949494"><br></font></div><div><font size="2" face="Arial, sans-serif" color="#949494">-- </font></div><div><font size="2" face="Arial, sans-serif" color="#949494">Joachim Haendel</font></div><div><font size="2" face="Arial, sans-serif" color="#949494"> </font></div><font size="2" face="Arial, sans-serif" color="#949494">Center of Natural SciencesCollections<br>of the Martin-Luther-University<br>- Entomological Collection -<br><br>Domplatz 4<br>D-06099 Halle (Saale)<br>Germany<br><br>Phone: +49 345 - 55 26 447<br>Fax: +49 345 - 55 27 248<br></font><div><font size="2" face="Arial, sans-serif" color="#949494">Email: joachim.haendel@zns.uni-halle.de</font></div><div><br></div><div><br></div></div><br/>>>> Lennart Lennuk <Lennart.Lennuk@loodusmuuseum.ee> 16.06.21 18.44 Uhr >>><br> Dear all!<br> <br> What do you prefer, linoleum or pvc for collections, eg fluid preserved collections?<br> What are the pros and cons?<br> <br> Best!<br> Lennart </body></html>