适用范围
.爆炸性气体混合物危险场所;1区 2区
.爆炸性气体混合物 IIA IIB IIC
■Application
。Hazardous location;division 1&2
。Explosive gas atmospheres;IIA IIB IIC
■主要性能指标
1.耐热度;90℃,5小时不流淌,不起泡
2.耐低温;-50℃不变化
3.可塑性;5~10(mm)
4.气密性;管φ50mm,填充高度50mm穿入四根固定的电线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
occur within 15 minutes
5.Explosion-proofness;incendive test for 32.2%hydrogen mixture;not incendive
6.Punch through voltage;2.5mm thick sample can resist the voltage for one minute test voltage>10kV
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