的电线0.5kg/cm3的气压,15分钟不产生气泡
5.防爆性;32.2%混合氢气传爆试验,不传爆
6.击穿电压;2.5mm厚的试件耐压1分钟,试验电压＞10kV
■Main performance index
1.High temperature resistance;90℃,with neither flow nor bubbles within 5 hours
2.Low temperature resistance;-50℃ without change
3.Plasticity;5～10(mm)
4.Airtightness;Tube filling height 50mm,thread in four fixed wires,0.5kg/cm3 air pressure no bubbles will