Posso usar gelo seco em um refrigerador? 2025 Segurança
Can I Use Dry Ice in a Cooler for 48 Hours of Frosty Freshness? Dry ice sits at a bone‑chilling –109 °F (–78.5 °C) and can keep food colder, longer than regular ice—yes, you can use dry ice in a cooler when you follow safety rules and smart packing tricks. This guide shows you how much to buy, how to pack it, and what 2025 regulations mean for travelers like you. This Article Answers: How to size, stack, and vent your cooler for dry ice efficiency Why venting is critical when using dry ice in a cooler safely The newest 2025 transit rules for camping, shipping, and flying with dry ice Can You Legally Use Dry Ice in a Cooler During Travel? Yes—most U.S. states allow dry ice in consumer coolers, but airlines and shippers cap it at 5 lbs (2.27 kg) per package and require gas‑release vents. The latest DOT guideline (Jan 2025) labels dry ice as “UN 1845, Class 9” hazmat, so mark your cooler clearly and...