坐飞机可以带 二氧化碳微型储气瓶 吗？（美国TSA/加拿大CATSA标准）
简明结论
不可以 — 严禁随身携带二氧化碳微型储气瓶通过机场安检登机。（Bike/sodastream/airsoft CO₂: banned both bags）
- · Bike/sodastream/airsoft CO₂: banned both bags
- · Life-vest exception: ≤ 2 installed + 2 spares (special instructions)
- · Empty cylinders: allowed
二氧化碳微型储气瓶: 随身随带:: no | 托运限制:: no.
On this page · 7 sections
各航空安保机构官方规定
United States — TSA
随身随带:
禁止携带
严禁携带：属于航空管制危险品，民航安全规定严禁随身带入客舱。
托运限制:
禁止携带
严禁托运：托运行李中同样严禁放置，属于禁止带上民航客机的危险物品。
国际航班？安检规则以出发国安保机构规定为准。目的国入境海关检查为独立流程。
How Many CO₂ Cartridges Can You Bring on a Plane?
Standard carry-on baggage size allowances apply; TSA publishes no individual numerical cap for personal use.
Standard carry-on baggage dimensions and weight limits apply. Screeners retain statutory authority to inspect bulk quantities.
如何打包 二氧化碳微型储气瓶
随身携带行李: 严禁携带：属于航空管制危险品，民航安全规定严禁随身带入客舱。
托运行李: 严禁托运：托运行李中同样严禁放置，属于禁止带上民航客机的危险物品。
安检通道现场的安检官员拥有决定物品能否通过的最终裁决权。
常见问题解答 (FAQ)
坐飞机可以随身携带二氧化碳微型储气瓶登机吗？
严禁携带：属于航空管制危险品，民航安全规定严禁随身带入客舱。
二氧化碳微型储气瓶可以放入托运行李中托运吗？
严禁托运：托运行李中同样严禁放置，属于禁止带上民航客机的危险物品。
How many CO₂ Cartridges can you bring on a plane?
Standard carry-on baggage size allowances apply; TSA publishes no individual numerical cap for personal use.
如果二氧化碳微型储气瓶在机场安检被没收会怎样？
If prohibited items like CO₂ Cartridges are discovered at checkpoint screening, screeners will prohibit entry past the security perimeter. You must voluntarily surrender the item for disposal, return landside to pack it in checked luggage, hand it to a non-traveler, or risk law enforcement referral.
Can I bring bike CO₂ cartridges on a plane?
No — filled CO₂ cartridges are banned from both carry-on and checked baggage. Carry the inflator head empty and buy cartridges after landing.
Are soda siphon cylinders allowed?
No — charged soda/CO₂ cylinders fall under the same compressed-gas ban. Empty ones are fine.
What about life jacket CO₂ cartridges?
That’s the one exception: up to two cartridges inside the vest plus two spares, per TSA/FAA special instructions and airline notification.
官方核实依据与参考来源
最近核实日期：
已对照官方权威来源核实。法规可能动态调整 — 关键或特殊物品请务必向所乘航空公司及安检当局二次确认。 核实流程与方法 →
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<a href="https://canicarryit.com/zh-cn/can-i-bring/co2-cartridges//" target="_blank" rel="noopener">CO₂ Cartridges — TSA & Airline Baggage Rules (CanICarryIt.com)</a> [CO₂ Cartridges — TSA & Baggage Rules](https://canicarryit.com/zh-cn/can-i-bring/co2-cartridges//) "Can I Carry It? — CO₂ Cartridges Aviation Screening Regulations." CanICarryIt.com, verified 2026-08-01, https://canicarryit.com/zh-cn/can-i-bring/co2-cartridges//. 休息一下：试玩没收还是放行