优点:防火耐热高韧性抗氧化高流动耐水解高抗冲耐化学低摩擦自润滑耐疲劳低蠕变耐磨损高硬度 高刚性高强度耐候性耐冲击绝缘性高润滑精度高耐化学剂尺寸稳定防紫外线玻纤增强       介绍:   POM全名聚甲醛树脂，简称聚甲醛，热塑性结晶聚合物。被誉为“超钢”或者“赛钢”，。   POM是通过甲醛聚合所得之聚合物，聚合度不高，且易受热解聚。   POM聚甲醛 外文名 polyformaldehyde 被誉为 “超钢”或者“赛钢” 又    称 聚氧亚甲基 cas号 [1]  EINECS号 中文别名 固体甲醛;聚蚁醛;多聚甲醛     我司还供应以下产品:    

供应 美国杜邦  POM 500 WT401

供应 美国杜邦  POM 500AF

详解:   reaching for her throat. Then, with a bang and a burst of  red light he was thrown backward onto the ground, unconscious. Ron stood there, his  wand still outstretched and a look of shock visible behind his beard. Faces appeared at the  windows on either side of the street, while a little knot of prosperous-looking passerby  gathered their robes about