Refrigerant Dry Ice Packs: 2025 Buyer’s Guide
Refrigerant Dry Ice Packs: 2025 Buyer’s Guide Refrigerant dry ice packs keep products ultra‑cold for long routes while controlling cost and risk. If you need −70 °C performance for 24–120 hours, these packs can outperform gel or PCM systems—when you size, vent, and label them correctly. Below you’ll find a practical sizing method, current 2025 rules, and side‑by‑side trade‑offs so you can choose confidently and ship with fewer temperature excursions. Where refrigerant dry ice packs truly excel for ultra‑cold lanes and what “−78.5 °C” means in the real world. USGS How to size refrigerant dry ice packs using a quick calculator and realistic sublimation rates. Sonoco ThermoSafe+1 2025 compliance essentials (UN1845, FAA/TSA 2.5 kg, USPS 5 lb, IATA updates), plus labeling and venting. Federal Aviation Administration+2Postal Explorer+2 Dry ice vs. gel/PCM packs—when to switch, hybrid builds, and cost/weight impacts. Safety basics (PEL/REL, IDLH, ventilation) to protect teams and facilities. CDC+1 2025 sustainability pressures (EU PPWR timelines) and what they mean for reusable shippers. Environment+1...