適用范圍
.爆炸性氣體混合物危險(xiǎn)場(chǎng)所;1區(qū) 2區(qū)
.爆炸性氣體混合物 IIA IIB IIC
■Application
。Hazardous location;division 1&2
。Explosive gas atmospheres;IIA IIB IIC
■主要性能指標(biāo)
1.耐熱度;90℃,5小時(shí)不流淌,不起泡
2.耐低溫;-50℃不變化
3.可塑性;5~10(mm)
4.氣密性;管φ50mm,填充高度50mm穿入四根固定的電線0.5kg/cm3的氣壓,15分鐘不產(chǎn)生氣泡
5.防爆性;32.2%混合氫氣傳爆試驗(yàn),不傳爆
6.擊穿電壓;2.5mm厚的試件耐壓1分鐘,試驗(yàn)電壓>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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