密度低，韧性好，拉伸性好。电气和介电绝缘性好，吸水率低，水汽渗透率低，化学稳定性好，抗张性，无毒无害。<img src="https://img-i-album.toocle.com/view/2021/11/22/ab/619b1584925ab.jpg" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2021/11/22/b3/619b15a5aa5b3.jpg" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2021/11/22/9b/619b15b63089b.jpg" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2021/11/22/fe/619b15be26efe.jpg" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2021/11/22/72/619b155238c72.jpg" style="font-size: 1em; max-width: 100%;"/>