六氟化硫气体概述
一.标识
中文名:六氟化硫英文名:sulfur hexafluoride分子式:SF6相对分子质量:146.05
二.理化性质
熔点(℃)–51相对密度(水=1) 1.67(-100℃)相对密度(空气=1) 5.11临界温度(℃) 45.6临界压力(MPa):3.37溶解性:微溶于水、乙醇、乙醚。
三.储运注意事项
不燃性压缩气体。储存于阴凉、通风仓间内。仓内温度不宜超过45℃。远离火种、热源。防止阳光直射。应与易燃或可燃物分开存放。验收时要注意品名,注意验瓶日期,先进仓的先发用。搬运时轻装轻卸,防止钢瓶及附件破损。
四.泄漏应急处理
迅速撤离泄漏污染区人员至上风处,并进行隔离,严格限制出入。建议应急处理人员戴自给正压式呼吸器,穿一般作业工作服。尽可能切断泄漏源。合理通风,加速扩散。如有可能,即时使用。漏气容器要妥善处理,修复、检验后再用。
五.产品介绍
六氟化硫(SF6)在常态下是一种无色、无臭、无毒、不燃、无腐蚀性的气态物质,气体密度6.139g/l,化学稳定性强,具有良好的电气绝缘性能及优异的灭弧性能。其耐电强度为同一压力下氮气的2.5倍,击穿电压是空气的2.5倍,在0.25Mpa下与油的击穿电压相等,中等压力、同样条件下电晕放电的起始电压是空气的2倍,是一种优于空气和油的新一代超高压绝缘介质材料。广泛应用于电器工业,如:断路器、高压变电器、气封闭组合电容器等,还用于金属冶炼、航空航天、医疗、气象、化工等.电子级高纯六氟化硫是一种理想的电子蚀刻剂,广泛应用于微电子技术领域。公司现有年产1400吨的SF6生产线,其质量优于IEC—376、ASTMD2472和GB12022—89标准,并达到中国国家优质产品的技术要求,可提供纯度为99.8%、99.9%。六氟化硫采用液化气标准钢瓶运输。公司拥有先进的钢瓶处理生产线,以保证产品质量;同时,还可按用户要求提供不同规格、标准的包装容器,如美国“DOT”、德国“TUV”及欧共体“EEC”等标准的钢瓶。

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