علبة خشبية قياسية للتصدير مع غلاف الفيلم والمواد العازلة
القدرة على العرض:
20 مجموعات شهريا
إبراز:
CMR Vertical Shaft Cable Rating
,
154.5kW Multi-Cable Burner Test
,
Silicon Nitride Auto-Ignition System
وصف المنتج
UL1666 CMR Vertical Shaft Cable Tray Fire Test Chamber for Flame Retardant Cable Certification The SL-1666 CMR cable test chamber reproduces the burning condition of multiple cables vertically installed in a ventilated shaft and evaluates their flame retardant performance in accordance with UL 1666. Passing results are rated as CMR grade. Multiple specimens are laid on a vertical shaft and a burner with a heat release of 154.5 kW is applied for 30 minutes. The pass criterion: