Multi-pairs screen control cable used for computer

Table 1 Major Qualification of Products Property Item UnitQualificationPEinsulatedPVCinsulatedInsulation Resistance at 20Between anypair of conductorMΩKm500025Betweenpair of screens11Operationcapacitance(KHZ)Type 375200Type 1 and 2Pf/m90CapacitanceInbalance ≤Pf/m1/LR Ratio ≥Sectionµ H/Ω0.5mm220200.75mm220201.0mm225251.5mm23535Screening control ratio0.010.01Test voltageV/1min10001000Flame RetardingConfroms to GB/T18380-2001 Table2 Conductor Technical Paramerter Table Nominal section mm2Structure of conductorThe Resistance 20 Ω/kmTypeRoot Number/Nominal Diamfor single wire mmUntinnedTinned0.5316/0.2039.0 40.1 0.7511/0.9724.5 24.8 0.7527/0.3724.5 24.8 0.75324/0.2026.0 24.8 111/1.1318.1 26.7 127/0.4318.1 18.2 1332/0.2019.5 20.0 1.511/1.3812.1 12.2 1.527/0.5212.1 12.2 1.5330/0.2513.3 13.7 Table3 Flame-retarding Item QualificationGeneral flame Retarding PVCLow-halogen,low smoke PVCHalogen free,low smoke polylefinIndex of Oxygen30∼3231∼3636∼40Smoke Intensity600300With flame 50;without flame 260Liberation Amountof Halide H2 gas mg/g ≤5801005