Regulaciones de envío de paquetes de hielo seco: 2025 Guía
If you ship perishable goods, you must follow Regulaciones de envío de paquetes de hielo seco that control venting, etiquetas, y límites de peso. En 2025, air cargo packages can carry up to 200 kg of dry ice under PI 954, while USPS air mailpieces are capped at 5 lb. Mark UN1845, use a Class 9 etiqueta, and show net mass in kilograms on the package and air waybill. This guide turns rules into steps you can use today.
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Air rules in one page: PI 954 checkpoints and an acceptance-ready label set (UN1845, Kg neto).
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Mode differences: Cómo Regulaciones de envío de paquetes de hielo seco change for air, ocean, camino, y USPS.
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Right amount of coolant: A simple formula to size dry ice and avoid thaw.
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Seguridad & capacitación: What handlers need—and what inspectors look for first.
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Tendencias: 2025 updates that speed acceptance and reduce rework.
What do Regulaciones de envío de paquetes de hielo seco exigir 2025?
Respuesta corta: Use vented packaging, mark “Dry ice” (o "dióxido de carbono, sólido") con UN1845, espectáculo hielo seco neto en kilogramos on the package and air waybill, apply a Clase 9 etiqueta, y seguir Aquí está Pi 954 para el aire. USPS retains a 5 lb air limit per mailpiece; A NOSOTROS. DOT adds vessel-specific phrases. Stay under 200 kg por paquete for air cargo.
Por que importa: El hielo seco se sublima en Co₂; an airtight box can bulge or rupture. Inspectors check vent paths, colocación de etiquetas, AWB text in kilograms, y variaciones del operador. Mark overpacks and show the total dry-ice mass when inner marks aren’t visible. These details prevent counter rejections and delays.
How do you pass PI 954 airline acceptance the first time?
Practical checklist: Put UN1845, the proper shipping name, y Kg neto en el same face as a clean Class 9 etiqueta; vent the package; complete the AWB with UN1845 + nombre propio + Número de paquetes + net kg per package; keep total ≤ 200 kg/package; espectáculo Sobresalto plus total kg when needed; verify operator variations before tender.
Mode/Rule Focus | Core Requirement | What to Enter/Show | What It Means to You |
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Aire (Aquí está Pi 954) | Envasado ventilado; Clase 9; UN1845; Kg neto | On package & AWB | Fewer rejections; kg is mandatory on acceptance checklists. |
USPS (Pub 52, 2025) | 5 lb air cap; “Surface Only” for ground | UN1845 + contents + peso | Choose air vs surface early; mail rules are stricter. |
A NOSOTROS. Vessel Overlay (49 CFR 173.217) | Special phrases on CTUs and packages | p.ej., “DO NOT STOW BELOW DECKS” | A NOSOTROS. sea legs add markings beyond IMDG. |
Consejos procesables
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Keep critical marks together: Put UN1845, nombre, Kg neto, y clase 9 on one face when space allows.
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Write kg outside the diamond: Never write inside the Class 9 borde.
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Use vented designs: Foam liners are fine—but never airtight.
Estuche de campo: A biologics exporter labeled three cartons with UN1845 and 12 kilos cada, placed a Class 9 on the same face, and entered “UN1845 / Dióxido de carbono, sólido / 3 packages × 12 kg” on the AWB. The airline accepted on first pass.
Como Regulaciones de envío de paquetes de hielo seco differ by mode?
Carga aérea: Follow PI 954; espectáculo Kg neto on package and AWB; observe operator variations and the ≤ 200 kg/package ceiling. No DGD if dry ice cools non-DG only.
A NOSOTROS. camino: UN1845 is regulated primarily for air and water; ground-only legs aren’t normally hazmat under HMR, but keep fuerte, ventilado embalaje.
Ocean: Aplicar clase 9 + UN1845 and stowage/documentation per IMDG; add U.S. vessel wording when a U.S. port is involved. USPS: Aire ≤ 5 lb; surface “Surface Only” marking.
Operator variations—do they change the basics?
Sí, carriers may add placement rules, combined labels, or documentation phrasing. Treat the airline job aid as your final pre-tender checklist; it mirrors acceptance audits and reduces counter holds.
How to label and document under Regulaciones de envío de paquetes de hielo seco?
Core set (air cargo):
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Package: "Hielo seco" (o "dióxido de carbono, sólido"), UN1845, Kg neto, cargador/consignatario, Clase 9.
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AWB: UN1845 + nombre propio + Número de paquetes + Kg neto por paquete.
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Sobresalto: If inner marks aren’t visible, agregar Sobresalto y el total net kg.
Common pitfalls to avoid
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Desaparecido kilogram units on the package or AWB.
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Writing text inside the Class 9 diamante.
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Sealing foam lids airtight; vent path is mandatory.
How much dry ice do you need—and how long will it last?
Regla general: Usar 5–10 lb (2.3–4.5 kg) por 24 h for standard EPS shippers; VIP shippers often need ~4–5 lb/day. Agregar un 20–25% de amortiguador for delays. Round up and write the Kg neto en el cartón.
Duración | EPS shipper (6–7 lb/día) | Cargador VIP (4–5 lb/día) | Lo que significa para ti |
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24 h | 6–7 lb (2.7–3.2 kg) | 4–5 lb (1.8–2.3 kg) | Overnight frozen lanes |
48 h | 12–14 lb (5.4–6.4 kg) | 8–10 lb (3.6–4.5 kg) | Two-day national routes |
72 h | 18–21 lb (8.2–9.5 kg) | 12–15 lb (5.4–6.8 kg) | Long-haul or customs risk |
Pro tips that save product
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Prehillado goods to reduce sublimation.
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Pack in layers so CO₂ can vent and product stays fixed.
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Split loads to avoid heavy single boxes and improve handling.
Estuche de campo: A biologics exporter shipped insulated cartons with 18 kg dry ice each and marked UN1845 correctly. The AWB showed the net kg, and the airline cleared acceptance in minutes.
What safety and training do Regulaciones de envío de paquetes de hielo seco expect?
Manos & eyes: Use insulated gloves and eye protection to prevent contact injuries.
Aire & rooms: Pack in ventilated areas; never store in sealed freezers.
Training & archivos: Train staff who prepare/offer shipments and keep certificates and SOPs on file; auditors often ask for them.
2-minute compliance self-check (interactivo)
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I can point to a ruta de ventilación in every SKU we ship.
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Our labels show UN1845 + nombre propio + Kg neto on the same face as Class 9.
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The AWB Naturaleza & Cantidad lists UN1845, nombre, # packages, y Kg neto cada.
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Validamos airline variations before booking.
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Overpacks show Sobresalto y total net kg Cuando las marcas internas no son visibles.
2025 developments and trends shaping Regulaciones de envío de paquetes de hielo seco
Qué hay de nuevo: Acceptance has become checklist-driven. PI 954 audits emphasize Kg neto on both package and AWB and ≤ 200 kg/package. USPS updated Pub 52 en Junio 2025 for clarity on air vs surface. Operators refreshed vessel markings for U.S. sea legs and published layout guides that keep UN1845, nombre, y clase 9 together.
Highlights at a glance
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Sharper acceptance forms: Mirror them and you’ll clear counters faster.
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Carrier label kits: Combined labels reduce placement errors.
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Ground-only clarity: Don’t introduce an unplanned air leg; it changes the rule set.
Insight del mercado: Shippers increasingly combine materiales de cambio de fase with dry ice to cut coolant weight, while keeping frozen performance. Yet for long air exports and USPS air, kg-based entries and visible Class 9 labels remain non-negotiable.
Preguntas frecuentes
Do dry ice pack shipping regulations require kilograms, or can I use pounds?
Usar kilogramos on the package and AWB. You can note lb internally, but acceptance checks look for kg.
What’s the maximum dry ice per package for air cargo?
200 kg por paquete Bajo Pi 954; your airline may set lower limits.
Do I need a Shipper’s Declaration if dry ice cools non-dangerous goods?
No. Enter UN1845, nombre propio, Número de paquetes, y Kg neto en el AWB; declare other DG normally.
Are U.S. highway-only shipments regulated the same way?
No. UN1845 is primarily air/water under the HMR. Still use strong, ventilado embalaje.
What extra markings apply to U.S. vessel moves?
Containers need conspicuous CO₂ solid warnings; other packages carry “DO NOT STOW BELOW DECKS” phrasing.
Resumen & recomendaciones
Final: Dry ice pack shipping regulations hinge on your mode. Para el aire, follow PI 954: desfogue, Clase 9, UN1845, y Kg neto on package and AWB, ≤ 200 kg/package. USPS air keeps a 5 lb tapa; surface uses “Surface Only.” U.S. vessel moves add specific phrases. Use the checklists below and standardize label placement to avoid rework.
Siguientes pasos (CTA):
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Adopt the PI 954 acceptance checklist in your SOP.
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Standardize labels (UN1845 + nombre + Kg neto + Clase 9 on one face).
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Size dry ice with the simple formula and add a 25% buffer.
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Book a 15-minute compliance review with Tempk to validate your next loadout.
Acerca de Tempk
We help shippers design compliant, documented pack-outs for temperature-sensitive products. Our team aligns packaging with Aquí está Pi 954, DOT/PHMSA, IMDG, ADR 5.5.3, and USPS Pub 52 (2025), and we provide checklists that mirror airline acceptance. Two proven advantages: fewer dockside rejections and cleaner audit trails. Talk to us before your next cold-chain shipment.