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  • 安全用氣常識
  • 天然氣是一種無色、無味、五毒的高質潔凈環保型能源,其成分為甲烷(CH4)天然氣的密度比空氣輕,因而如發生泄露,很容易擴散到空氣上方。天然氣的爆炸濃度極限為5%-15%,在不通風的密閉空間里,天然氣濃度達到極限范圍,遇到火源就會出現閃爆現象。


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