产品特性： 
                      ①容重轻,在150kg/m3左右

                      ②导热系数小,在0.060 W/m.k(38℃)以下，导热性能稳定;
                      ③不透湿; 
                      ④吸水率小,0.2%左右

                      ⑤不燃烧;

                      ⑥不霉变、腐蚀、不受鼠咬;

                      ⑦强度高,抗压强度≥0.7MPa,抗折强度≥0.5Mpa; 

                      ⑧能耐酸性腐蚀(氟化氢除外);

                      ⑨本身无毒,不含CFC(氟氯化炭)和HCFC(氢氟氯酸);

                      ⑩物理化学性能稳定,尺寸稳定。