大家好，我现在准备申请CMP的认证，不过现在还没喝UL工程师那边联系，我想问一下如果送测的话，送测样品一般都要求送多长啊？有什么有什么计算公式还是统一规定好的？多谢！
UL Plenum Cable Flame Test samples must be provided on a reel or spool.L = length of sample in feet; D = diameter of cable in inchesPlenum Cable Flame Test: L = 900/D (Example: For a 0.50 inch diameter cable 900/0.50 = 1800.00 feet)For Flat cables use the following equation to determine the diameter:
<DIV align=center>
OD = 1.128 [(T)(W)]?/FONT>where, T= Length of Minor Axis in inches W= Length of Major Axis in inches </DIV>
送样长度要根据你申请的具体情况来定，如申请的认证类型、产品规格等