钢套钢蒸汽保温管价格

钢套钢蒸汽保温管价格<高密度聚乙烯外护管质量  技术性能          单位               技术     容量              Kg/m3            45-60     导热系数        W/m.k          0.016-0.024     使用温度           ℃                -90-+120     闭孔率              %                 ≥97     吸水率           Kg/m2             ≤0.2     氧指数              h                  ≥26     抗压强度          Mpa               ≥200     网络时代，厂家直销；运输便利，价格较低！ 钢套钢蒸汽保温管价格