Dryidrepackagingbox— 2025 Guide complet de l'expédition ultra-froide
Dry Ice Packaging Box — 2025 Complete Guide to Ultra‑Cold Shipping Why read this? Whether you send sushi kits across town or vaccines across oceans, this single page distills the latest safety rules, sizing math, insulation tech and sustainability tactics from the industry’s three leading playbooks. 1. What Is a Dry Ice Packaging Box? A dry ice packaging box is a vented, insulated shipper that harnesses solid CO₂ at –78 °C to keep payloads frozen without electricity. Unlike gel packs (0 °C melt point) or active coolers, dry ice: Delivers ultra‑cold temps (–60 °C to –78 °C) for 48‑144 h. Sublimates to gas, leaving no meltwater or cross‑contamination. Ships globally when labeled “UN 1845, Sécher, 9». When to choose it: multi‑day frozen food, biologics under –60 °C, rural vaccine lanes, laboratory samples. 2. Quick‑Start Checklist (Print This) Vent design verified (≥ 1 cm² per 2 kg dry ice). Class 9 diamond ≥ 100 mm on two adjacent faces. Net dry‑ice weight printed clearly. SDS on file for 24 months. Wear cryo‑gloves & goggles when packing. Miss one? Fines reach USD 81 540 per violation under PHMSA 2025....