P:2012-01-31 10:54:18
10
<DIV class=O v:shape="_x0000_s1026"><DIV style="mso-line-spacing: '80 20 0'; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1">§CL2等級相當于CM等級</DIV><DIV style="mso-line-spacing: '80 20 0'; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1">商用級-CM級(垂直燃燒測試Vertial Tray Flame Test)。 </DIV><DIV style="mso-line-spacing: '80 20 0'; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1">§試驗方法:這是 UL標準中商用級電纜(General Purpose Cable),適用安全標準為UL1581。實驗規(guī)定在垂直8英尺高的支架上敷設多條試樣,用規(guī)定的20.6kW帶狀噴燈燃燒20分鐘(火焰水平噴射)。商用級電纜沒有煙霧濃度規(guī)范,一般僅應用于同一樓層的水平走線,不應用于樓層的垂直布線上。 </DIV><DIV style="mso-line-spacing: '80 20 0'; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1">§結果判定:最大延燃長度8ft </DIV><DIV style="mso-line-spacing: '80 20 0'; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1"> 最大0.25mm2/s煙霧釋放速率(Cables marked “LS” only) </DIV><DIV style="mso-line-spacing: '80 20 0'; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1"> 20min內煙霧釋放量95mm2(Cables marked “LS” only) </DIV><DIV style="mso-line-spacing: '80 50 0'; mso-margin-left-alt: 216; mso-char-wrap: 1; mso-kinsoku-overflow: 1"> </DIV></DIV>
wear - 磨損(拉線模等) (0) 投訴