用石棉线编织成圆形的绳，用于各种热设备和热传导系统保温隔热材料，耐热550℃烧失量32%。夹铜丝（或镍丝，不锈钢丝）石棉圆绳也可提供。
耐温度:300-550℃                                                                                                                                 无尘石棉圆绳耐温度：480~550℃                                                                                                  规格：6mm - 50mm