Dry Ice Pack Shipping Regulations: 2025 مرشد

If you ship perishable goods, you must follow dry ice pack shipping regulations that control venting, تسميات, and weight limits. في 2025, air cargo packages can carry up to 200 kg of dry ice under PI 954, while USPS air mailpieces are capped at 5 رطل. Mark UN1845, use a Class 9 ملصق, and show net mass in kilograms on the package and air waybill. This guide turns rules into steps you can use today.

• Air rules in one page: باي 954 checkpoints and an acceptance-ready label set (UN1845, صافي كجم).

• Mode differences: كيف dry ice pack shipping regulations change for air, ocean, road, and USPS.

• Right amount of coolant: A simple formula to size dry ice and avoid thaw.

• أمان & تمرين: What handlers need—and what inspectors look for first.

• الاتجاهات: 2025 updates that speed acceptance and reduce rework.

What do dry ice pack shipping regulations require in 2025?

إجابة قصيرة: استخدام التغليف تنفيس, mark “Dry ice” (or “Carbon dioxide, صلب") مع UN1845, يعرض net dry ice in kilograms on the package and air waybill, تطبيق أ فصل 9 ملصق, واتبع ها هو بي 954 للهواء. USPS retains a 5 رطل air limit per mailpiece; نحن. DOT adds vessel-specific phrases. Stay under 200 kg per package for air cargo.

لماذا يهم: الجليد الجاف يسامي في CO₂; an airtight box can bulge or rupture. Inspectors check vent paths, وضع التسمية, AWB text in kilograms, وتغيرات المشغل. 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, و صافي كجم على same face as a clean Class 9 ملصق; vent the package; complete the AWB with UN1845 + الاسم الصحيح + عدد الحزم + net kg per package; keep total ≤ 200 kg/package; يعرض OVERPACK plus total kg when needed; verify operator variations before tender.

نصائح عملية

• Keep critical marks together: Put UN1845, اسم, صافي كجم, والطبقة 9 on one face when space allows.

• Write kg outside the diamond: Never write inside the Class 9 border.

• Use vented designs: Foam liners are fine—but never airtight.

القضية الميدانية: A biologics exporter labeled three cartons with UN1845 and 12 كجم كل, placed a Class 9 on the same face, and entered “UN1845 / ثاني أكسيد الكربون, صلب / 3 packages × 12 kg” on the AWB. The airline accepted on first pass.

How do dry ice pack shipping regulations differ by mode?

البضائع الجوية: Follow PI 954; يعرض صافي كجم on package and AWB; observe operator variations and the ≤ 200 kg/package ceiling. No DGD if dry ice cools non-DG only.
نحن. road: UN1845 is regulated primarily for air and water; ground-only legs aren’t normally hazmat under HMR, but keep strong, تنفيس التغليف.
Ocean: Apply Class 9 + UN1845 and stowage/documentation per IMDG; add U.S. vessel wording when a U.S. port is involved. USPS: هواء ≤ 5 رطل; surface “Surface Only” marking.

Operator variations—do they change the basics?

نعم, 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 dry ice pack shipping regulations?

Core set (air cargo):

1. Package: "الجليد الجاف" (or “Carbon dioxide, صلب"), UN1845, صافي كجم, الشاحن/المرسل إليه, فصل 9.

2. AWB: UN1845 + الاسم الصحيح + عدد الحزم + صافي كجم per package.

3. Overpack: If inner marks aren’t visible, يضيف OVERPACK و total net kg.

Common pitfalls to avoid

• Missing kilogram units on the package or AWB.

• Writing text inside the Class 9 الماس.

• Sealing foam lids airtight; vent path is mandatory.

How much dry ice do you need—and how long will it last?

حكم الإبهام: يستخدم 5-10 رطل (2.3-4.5 كجم) لكل 24 ح for standard EPS shippers; VIP shippers often need ~4–5 lb/day. إضافة أ 20-25 ٪ العازلة for delays. Round up and write the صافي كجم on the carton.

Pro tips that save product

• Pre-chill goods to reduce sublimation.

• Pack in layers so CO₂ can vent and product stays fixed.

• Split loads to avoid heavy single boxes and improve handling.

القضية الميدانية: 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 dry ice pack shipping regulations يتوقع?

Hands & eyes: Use insulated gloves and eye protection to prevent contact injuries.
هواء & rooms: Pack in ventilated areas; never store in sealed freezers.
تمرين & records: Train staff who prepare/offer shipments and keep certificates and SOPs on file; auditors often ask for them.

2-minute compliance self-check (interactive)

• I can point to a vent path in every SKU we ship.

• Our labels show UN1845 + الاسم الصحيح + صافي كجم on the same face as Class 9.

• The AWB طبيعة & كمية lists UN1845, اسم, # packages, و صافي كجم كل.

• We validate airline variations before booking.

• Overpacks show OVERPACK و total net kg when inner marks aren’t visible.

2025 developments and trends shaping dry ice pack shipping regulations

ما الجديد: Acceptance has become checklist-driven. باي 954 audits emphasize صافي كجم on both package and AWB and ≤ 200 kg/package. USPS updated Pub 52 في يونيو 2025 for clarity on air vs surface. Operators refreshed vessel markings for U.S. sea legs and published layout guides that keep UN1845, اسم, والطبقة 9 together.

Highlights at a glance

• Sharper acceptance forms: Mirror them and you’ll clear counters faster.

• Carrier label kits: Combined labels reduce placement errors.

• Ground-only clarity: Don’t introduce an unplanned air leg; it changes the rule set.

نظرة السوق: Shippers increasingly combine مواد تغيير المرحلة 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.

التعليمات

Do dry ice pack shipping regulations require kilograms, or can I use pounds?
يستخدم kilograms 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 per package تحت بي 954; your airline may set lower limits.

Do I need a Shipper’s Declaration if dry ice cools non-dangerous goods?
لا. Enter UN1845, الاسم الصحيح, عدد الحزم, و صافي كجم on the AWB; declare other DG normally.

Are U.S. highway-only shipments regulated the same way?
لا. UN1845 is primarily air/water under the HMR. Still use strong, تنفيس التغليف.

What extra markings apply to U.S. vessel moves?
Containers need conspicuous CO₂ solid warnings; other packages carry “DO NOT STOW BELOW DECKS” phrasing.

ملخص & التوصيات

خلاصة القول: Dry ice pack shipping regulations hinge on your mode. للهواء, follow PI 954: تنفيس, فصل 9, UN1845, و صافي كجم on package and AWB, ≤ 200 kg/package. USPS air keeps a 5 رطل cap; surface uses “Surface Only.” U.S. vessel moves add specific phrases. Use the checklists below and standardize label placement to avoid rework.

الخطوات التالية (CTA):

1. Adopt the PI 954 acceptance checklist in your SOP.

2. توحيد الملصقات (UN1845 + اسم + صافي كجم + فصل 9 على وجه واحد).

3. Size dry ice with the simple formula and add a 25% المخزن المؤقت.

4. الكتاب أ 15-minute compliance review with Tempk to validate your next loadout.

حول Tempk

We help shippers design compliant, documented pack-outs for temperature-sensitive products. Our team aligns packaging with ها هو بي 954, نقطة/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.