Unverified85% confidenceDecision RuleTime unknown
气罐除尘器的气体主要是二氟乙烷（HFC-152a）或四氟乙烷（HFC-134a），HFC-152a易燃且价格低，HFC-134a不燃更安全，清洁高压电器或近火源作业应选HFC-134a成分
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85%
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Long-term
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Unverified不要买含压缩罐装气体（HFC类）的清洁套装用于封闭空间频繁清洁，倒喷时会喷出低温液体损伤元件且不环保；日常清洁优先手动气吹79% similarUnverifiedHFC-152a的GWP（全球变暖潜能值）约124，HFC-134a约1300，注重环保应选152a成分或改用不含制冷剂的电动吹尘器78% similarUnverified使用HFC-152a（二氟乙烷）为推进剂的喷罐清洁力最强，但ODP虽为0其GWP仍达124，追求环保应选HFO-1234ze推进剂款（GWP<1）72% similarUnverified对甲醛、TVOC等气态污染物有净化需求的场景不应单买静电除尘器：静电集尘仅对颗粒物有效，对气态污染物无作用，需搭配活性炭模块68% similarUnverified水基无氟配方气味温和、无刺激性有害气体，室内通风处即可操作，安全性优于溶剂型含氟喷雾66% similar
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