How to Pack Dry Ice for Shipping Safely (2025)

Packing dry ice for shipping isn’t just about tossing blocks into a box—it’s about compliance, keamanan, and keeping your products intact. Di dalam 2025, following Ini pi 954 Dan 49 CFR 173.217 is essential for international and domestic shipments. You need the right amount of dry ice, proper insulation, clear labeling with “UN 1845,” and a package design that allows CO₂ to vent. Dilakukan dengan benar, you’ll avoid costly delays, protect your cargo, and pass carrier checks the first time.

• Calculate how much dry ice you actually need for your lane and payload

• Choose the right insulated container to extend hold time and reduce waste

• Label and document packages correctly to comply with Class 9 aturan

• Apply real-world cold chain best practices for food, farmasi, dan biotek

• Understand 2025 inovasi: carbon-negative pellets, Pemantauan IoT, dan isolasi berkelanjutan

How much dry ice should you use for shipping?

Jawaban Langsung: Rencana 2.5–5 lb (≈1.1–2.3 kg) per 24 jam per pendingin kecil, Kemudian sesuaikan isolasi, iklim, and transit delays. Mark only the bobot es kering bersih di kg di dalam kotak.

Penjelasan yang diperluas:
The sublimation rate depends on insulation type, box size, and ambient conditions. A 48-hour ground shipment in summer might require 10–14 lb (4.5–6.4 kg), while the same shipment with a vacuum-insulated shipper may need just 8–10 lb.. Always round up and add a 25–40% buffer for customs or weather delays.

Easy sizing shortcut

Pro tips:

• Place dry ice on top of the payload—cold air sinks and stabilizes temperatures.

• Catatan berat es kering bersih during pack-out—this is a compliance requirement.

• Use a pack-out calculator or historical lane data to refine estimates.

What packaging works best for dry ice shipments?

Jawaban Langsung: Gunakan a vented corrugated outer box with strong insulation (EPS or VIP), secure the product in a sealed inner container, and leave a vent path for gas.

Detail:

• Busa EPS (1–1.5 in): Terjangkau, holds for 24–48 hours, ideal for domestic shipping.

• Panel isolasi vakum (VIP): High performance, holds for 48–96 hours, reduces dry ice by ~30%.

• Rigid polystyrene coolers: Dapat digunakan kembali, tahan lama, moderate efficiency.

Practical advice:

• For weekend risk, menambahkan 25–40% dry ice reserve or switch to VIP.

• For parcels >30 kg capacity, memastikan label text height ≥12 mm.

• Never seal completely; venting is mandatory to prevent ruptures.

What labels and documents are required in 2025?

Jawaban Langsung: Mark one face of the package with:

• “Dan 1845, Es kering, net __ kg”

• Kelas 9 hazard diamond

• Shipper and recipient addresses (not on the hazard label)

Expanded:

• FedEx/UPS: No hazmat declaration if dry ice is used to cool non-dangerous goods. Still, you must input net kg in shipping tools.

• USPS: Domestik saja, Max 5 lb by air; no international dry ice shipments allowed.

• Iata 2025 Daftar periksa: Self-audit tool for shippers to avoid acceptance delays.

Safety rules you cannot ignore

• Never use airtight containers: CO₂ must vent.

• Kenakan sarung tangan terisolasi: Frostbite can occur in seconds.

• Ventilate vehicles & penyimpanan: Co₂ dapat menggantikan oksigen.

• Don’t write inside the Class 9 berlian: Labels must be clean and clear.

Case insight: A seafood exporter reduced failed scans by 60% after switching to preprinted UN 1845 panels with a dedicated address area.

Apa itu 2025 innovations in dry ice shipping?

• Carbon-negative dry ice pellets: Made from captured CO₂, reducing emissions.

• Compostable insulation (biofoam): Meets ISTA 7E freeze standards, composts in ~100 days.

• Pemantauan IoT: Real-time temperature alerts and data logging for compliance.

• AI routing & otomatisasi: Cuts dwell times and optimizes dry ice allocation.

Wawasan pasar: Oleh 2025, reusable shippers and VIP packaging are cutting spoilage claims by over 20%, making eco-friendly choices financially attractive.

FAQ

Q1: How to pack dry ice for shipping without a hazmat declaration?
Use a ventilated box, add insulation, weigh and label “UN 1845, Es kering, net _kg,” and apply a Class 9 label.

Q2: How much dry ice per day should I plan for?
2.5–5 lb per 24 hr for small shippers; always add a 25% penyangga.

Q3: Can I ship dry ice internationally with USPS?
TIDAK. USPS permits domestic dry ice shipments only, ≤5 lb by air.

Q4: Where should I place the hazard label and text?
On the same face of the package, outside of the hazard diamond.

Q5: Dapatkah saya mencampur paket gel dengan es kering?
Ya. Gel packs act as a buffer once dry ice is spent, extending hold time.

Ringkasan & Rekomendasi

To pack dry ice in 2025:

• Pilih A vented outer box with EPS or VIP insulation

• Add dry ice above the payload and record the net kg

• Mark clearly with Dan 1845 + Kelas 9 label bahaya

• Mengikuti carrier-specific guides to avoid labeling errors

• Mempertimbangkan VIP, reusable shippers, and IoT monitoring to cut cost and risk

Langkah selanjutnya:

• Use Tempk’s dry ice calculator for frozen shipping

• Explore gel packs vs dry ice for pharma

• Download the IATA packing instruction 954 daftar periksa

Tentang tempk

Dan Tempk, kami mendesain solusi rantai dingin that reduce dry ice consumption while maintaining compliance. Our systems combine validated pack-outs, Insulasi ramah lingkungan, Dan automated labeling tools to help you cut exceptions and reduce spoilage.

CTA: Siap mengoptimalkan pengiriman Anda? Schedule a cold chain consultation and get a tailored pack-out review for your top shipping lanes.