... hydrophobic:neighter water nor water-containing substance wet PTFE,PTFE is a synthetic fluoropolymer of tetraflu oroethy lene that ... finds numerous applications,PTFE is most well known by the name teflon. Application:It ... 2000mm,1200mm*2400mm,1220mm*2440mm,etc.Density:2.3g/cm3Colour:white,black,as orderCertificates:SGS ISO9001:2008,ISO14001:2004